值得推薦的南京波紋管多少錢
玻璃鋼管道 名稱規格(ge)/型號(hao)單位(wei)信息價(jia)/元信息價(jia)地(di)(di)區(qu)/時間(jian)備注所屬行業Pe給水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(PE100級)0.6MPa?m觀(guan)看價(jia)錢(qian)(qian)廣(guang)東陽(yang)江市/建(jian)筑(zhu)工程Pe給水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(PE100級)0.8MPa?m觀(guan)看價(jia)錢(qian)(qian)廣(guang)東陽(yang)江市/建(jian)筑(zhu)工程Pe給水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(PE100級)0.8MPa?m觀(guan)看價(jia)錢(qian)(qian)廣(guang)東陽(yang)江市/建(jian)筑(zhu)工程Pe給水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(PE這種(zhong)事故發生概率不(bu)大(da)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),一(yi)旦發生【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),傷害極大(da)。關(guan)聯于(yu)大(da)批愛花的(de)(de)(de)(de)(de)(de)(de)(de)朋友(you)來說【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),雖然喜愛牡丹(dan)(dan)(dan)(dan)花【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),不(bu)過卻(que)苦于(yu)這牡丹(dan)(dan)(dan)(dan)花的(de)(de)(de)(de)(de)(de)(de)(de)種(zhong)子【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),不(bu)知道(dao)咋就種(zhong)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),用(yong)(yong)(yong)(yong)不(bu)油用(yong)(yong)(yong)(yong)牡丹(dan)(dan)(dan)(dan)耐(nai)干旱(han)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),耐(nai)瘠(ji)薄【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),耐(nai)高寒。安(an)徽(hui)銅陵鳳(feng)凰(huang)山一(yi)帶的(de)(de)(de)(de)(de)(de)(de)(de)鳳(feng)丹(dan)(dan)(dan)(dan)牡丹(dan)(dan)(dan)(dan)八個(ge)月不(bu)下雨沒有(you)(you)(you)(you)(you)(you)旱(han)死;甘肅蘭州一(yi)帶紫斑牡丹(dan)(dan)(dan)(dan)種(zhong)在(zai)海拔2000米以(yi)上(shang)的(de)(de)(de)(de)(de)(de)(de)(de)高寒【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),干旱(han)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),貧(pin)瘠(ji)山嶺上(shang)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),降雨量僅300毫米就能(neng)(neng)夠(gou)生長(chang)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),每畝又可(ke)(ke)以(yi)結籽斤左右【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),除此另外這種(zhong)地(di)(di)方研(yan)發設(she)(she)(she)計(ji)出的(de)(de)(de)(de)(de)(de)(de)(de)牡丹(dan)(dan)(dan)(dan)的(de)(de)(de)(de)(de)(de)(de)(de)特(te)性(xing)是ldquo,四宜(yi)四怕【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),即宜(yi)涼怕凍【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),宜(yi)暖怕熱(re)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),宜(yi)光怕陰【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】【 ,在(zai)泥漿運載(zai)領域【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),同鋼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)相比【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),HDPE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)具有(you)(you)(you)(you)(you)(you)更好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)磨性(xing)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),這意(yi)(yi)味著HDPE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)具有(you)(you)(you)(you)(you)(you)更長(chang)的(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)(yong)(yong)(yong)壽(shou)命(ming)和更好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)經濟性(xing)。鋼帶表(biao)面進(jin)行特(te)殊處(chu)理【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),以(yi)增(zeng)強鋼材的(de)(de)(de)(de)(de)(de)(de)(de)腐(fu)性(xing)能(neng)(neng)力(li)(li)(li)以(yi)及鋼材塑(su)(su)(su)(su)(su)(su)(su)(su)料的(de)(de)(de)(de)(de)(de)(de)(de)粘(zhan)合力(li)(li)(li)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),進(jin)步(bu)剝離強度(du)。應將(jiang)接頭放在(zai)工井(jing)(jing)位(wei)置(zhi)內(nei),以(yi)免把接頭放在(zai)交叉路口、建(jian)筑(zhu)物門口、與其他管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線交叉或地(di)(di)勢狹窄不(bu)便(bian)之處(chu)。8、原則上(shang)每隔米挖掘(jue)一(yi)個(ge)工井(jing)(jing),免得敷設(she)(she)(she)電(dian)(dian)纜時摩擦力(li)(li)(li)過大(da)或檢修(xiu)時替(ti)代電(dian)(dian)纜太長(chang),工井(jing)(jing)可(ke)(ke)按照現(xian)場實(shi)際狀(zhuang)況采(cai)(cai)用(yong)(yong)(yong)(yong)明井(jing)(jing)和暗(an)井(jing)(jing)兩種(zhong)形式(shi)。保定mpp電(dian)(dian)力(li)(li)(li)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan).耐(nai)腐(fu)蝕性(xing)質:CPVC耐(nai)酸,堿,鹽等化學(xue)溶劑腐(fu)蝕,遇油脂也不(bu)開裂;電(dian)(dian)力(li)(li)(li)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)強度(du)高,阻燃,抑(yi)煙,耐(nai)熱(re),PP模(mo)塊通(tong)用(yong)(yong)(yong)(yong)壽(shou)命(ming)長(chang):CPVC電(dian)(dian)力(li)(li)(li)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)廠家徹(che)底克服了(le)普(pu)通(tong)PVC管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)耐(nai)侯性(xing)差(cha)的(de)(de)(de)(de)(de)(de)(de)(de)短(duan)處(chu)。 出于(yu)跨海段管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)工程受(shou)氣(qi)候、風浪、流(liu)速、水(shui)深(shen)、潮汐的(de)(de)(de)(de)(de)(de)(de)(de)效用(yong)(yong)(yong)(yong),相當受(shou)氣(qi)候條件束縛【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),施(shi)工期短(duan)【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),技(ji)術(shu)難度(du)大(da)。工程項(xiang)目(mu)設(she)(she)(she)計(ji)中選(xuan)擇何種(zhong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材、采(cai)(cai)用(yong)(yong)(yong)(yong)哪些(xie)技(ji)術(shu)措施(shi)保護(hu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)、性(xing)及如(ru)何確保既定時間(jian)內(nei)完成(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)鋪設(she)(she)(she)任(ren)務(wu)等等一(yi)系列技(ji)術(shu)難題制(zhi)(zhi)(zhi)(zhi)(zhi)約著項(xiang)目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)實(shi)施(shi)。使用(yong)(yong)(yong)(yong)電(dian)(dian)容套(tao)筒熔接【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),要(yao)注意(yi)(yi)安(an)裝前用(yong)(yong)(yong)(yong)萬用(yong)(yong)(yong)(yong)表(biao)測量套(tao)筒【雄(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)(xiong)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)騰(teng)(teng)(teng)(teng)達(da)(da)(da)(da)(da)塑(su)(su)(su)(su)(su)(su)(su)(su)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)(pin)(pin)(pin)有(you)(you)(you)(you)(you)(you)限(xian)(xian)】200PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),確保其完好(hao)后才能(neng)(neng)實(shi)行安(an)置(zhi)。
波紋管截止閥 密(mi)(mi)封(feng)性(xing)(xing)水(shui)(shui)(shui)(shui)泥管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)密(mi)(mi)封(feng)性(xing)(xing)很(hen)差,國內平(ping)接(jie)(jie)口混(hun)凝(ning)(ning)土(tu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)在(zai)(zai)連(lian)接(jie)(jie)處(chu)(chu)僅靠抹(mo)一(yi)(yi)圈(quan)混(hun)凝(ning)(ning)土(tu)密(mi)(mi)封(feng),施(shi)工中難(nan)于保證不泄漏,加之混(hun)凝(ning)(ning)土(tu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)系(xi)剛性(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),稍有(you)移(yi)動(如(ru)土(tu)壤(rang)不均勻沉降)就(jiu)可(ke)造成連(lian)接(jie)(jie)處(chu)(chu)破壞,另外(wai),水(shui)(shui)(shui)(shui)泥管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)使(shi)用(yong)(yong)硫(liu)化(hua)橡(xiang)膠圈(quan)密(mi)(mi)封(feng),塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)連(lian)接(jie)(jie)用(yong)(yong)熱塑(su)(su)性(xing)(xing)彈性(xing)(xing)體(ti)密(mi)(mi)封(feng)圈(quan)密(mi)(mi)封(feng),前者(zhe)使(shi)用(yong)(yong)壽(shou)命(ming)比后者(zhe)短,而且塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)連(lian)接(jie)(jie)和密(mi)(mi)封(feng)有(you)一(yi)(yi)系(xi)列嚴(yan)格要求,能夠限(xian)度(du)地(di)(di)(di)保證不會發生泄漏水(shui)(shui)(shui)(shui)泥管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)壽(shou)命(ming)只(zhi)有(you)15年(nian),塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)壽(shou)命(ming)長達50年(nian)-100年(nian)。生活污水(shui)(shui)(shui)(shui)、雨(yu)水(shui)(shui)(shui)(shui)等通常具(ju)有(you)腐蝕(shi)性(xing)(xing),工業污水(shui)(shui)(shui)(shui)的(de)(de)(de)腐蝕(shi)性(xing)(xing)更(geng)大,使(shi)用(yong)(yong)金屬(shu)、水(shui)(shui)(shui)(shui)泥埋地(di)(di)(di)排(pai)水(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)輸(shu)送(song),耐(nai)腐蝕(shi)性(xing)(xing)比塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)差。有(you)些(xie)地(di)(di)(di)區(qu)(qu)室外(wai)自(zi)然(ran)環境的(de)(de)(de)腐蝕(shi)性(xing)(xing)非常大,例如(ru)天(tian)津市(shi)(shi)塘沽新區(qu)(qu)圍(wei)海(hai)造地(di)(di)(di),鋪設(she)(she)的(de)(de)(de)水(shui)(shui)(shui)(shui)泥排(pai)污管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)3年(nian)后就(jiu)找不到了,均被海(hai)水(shui)(shui)(shui)(shui)中的(de)(de)(de)鹽腐蝕(shi)掉了,只(zhi)好二次再鋪設(she)(she)塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。 鋪設(she)(she)施(shi)工 塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)質輕(qing),長度(du)大,接(jie)(jie)頭(tou)少,對(dui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)溝的(de)(de)(de)要求低,連(lian)接(jie)(jie)方便,施(shi)工快捷,施(shi)工費用(yong)(yong)少,在(zai)(zai)城(cheng)市(shi)(shi)及(ji)惡劣(lie)自(zi)然(ran)條件下優越(yue)性(xing)(xing)更(geng)加突出(chu)。 綜合(he)經(jing)濟(ji)性(xing)(xing) 在(zai)(zai)綜合(he)經(jing)濟(ji)性(xing)(xing)方面,塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)優勢(shi)正(zheng)在(zai)(zai)被越(yue)來越(yue)多的(de)(de)(de)用(yong)(yong)戶所認識。塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)單價(jia)雖比水(shui)(shui)(shui)(shui)泥管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)略(lve)高(gao),但工程總造價(jia)卻不比水(shui)(shui)(shui)(shui)泥管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)高(gao)。天(tian)津市(shi)(shi)政工程設(she)(she)計院1992年(nian)起對(dui)UPVC雙壁(bi)波(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),1998年(nian)起對(dui)PE雙壁(bi)波(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)在(zai)(zai)埋地(di)(di)(di)排(pai)水(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)中應用(yong)(yong)進(jin)行了系(xi)統研究,結論為:“雙壁(bi)波(bo)(bo)紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)工程造價(jia)與混(hun)凝(ning)(ning)土(tu)平(ping)口管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)相當(dang),比承插口混(hun)凝(ning)(ning)土(tu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)低30%。施(shi)工周期顯(xian)(xian)著(zhu)縮短,經(jing)濟(ji)效益顯(xian)(xian)著(zhu)”。 大口徑室外(wai)PE埋地(di)(di)(di)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是世界發展(zhan)(zhan)潮流 近10年(nian)來,國際(ji)上塑(su)(su)料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)一(yi)(yi)個明顯(xian)(xian)發展(zhan)(zhan)趨勢(shi)是給水(shui)(shui)(shui)(shui)及(ji)輸(shu)氣(qi)(qi)(qi)PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)發展(zhan)(zhan)速度(du)很(hen)快。自(zi)1998年(nian)慕尼黑國際(ji)煤聯LGU配氣(qi)(qi)(qi)委員會會議(yi)一(yi)(yi)致推(tui)薦用(yong)(yong)PE埋地(di)(di)(di)燃氣(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道作(zuo)為配輸(shu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)以(yi)來,經(jing)世界各(ge)國10余(yu)年(nian)研究開發,PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道己發展(zhan)(zhan)成多品種、多應用(yong)(yong)領域管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)。
南京PVC電力管定制 特(te)色: 塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)具(ju)有(you)(you)分量(liang)輕(qing)、承受(shou)(shou)壓(ya)力(li)(li)強(qiang)、曲折性(xing)(xing)(xing)能(neng)、便(bian)于(yu)(yu)施(shi)(shi)工等特(te)色與其(qi)他的(de)(de)(de)(de)排(pai)水(shui)(shui)資料(liao)(liao)(liao)比(bi)較(jiao),塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)具(ju)有(you)(you)耐(nai)腐蝕(shi)(shi)(shi)性(xing)(xing)(xing)強(qiang)、透水(shui)(shui)流通性(xing)(xing)(xing)強(qiang)、性(xing)(xing)(xing)價(jia)比(bi)高(gao)的(de)(de)(de)(de)優勢(shi)。 塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)與金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)比(bi)較(jiao)之下(xia)的(de)(de)(de)(de)長處: 當成孔資料(liao)(liao)(liao)受(shou)(shou)到破(po)壞后(hou),漿體(ti)是預應(ying)(ying)力(li)(li)混(hun)凝土結構(gou)中預應(ying)(ying)力(li)(li)鋼(gang)材的(de)(de)(de)(de)最后(hou)一道(dao)防護屏(ping)障。塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)是一種(zhong)新(xin)型成孔資料(liao)(liao)(liao),與金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)比(bi)較(jiao),它(ta)(ta)具(ju)有(you)(you)以下(xia)長處: 塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)原資料(liao)(liao)(liao)是HDPE。它(ta)(ta)的(de)(de)(de)(de)耐(nai)腐蝕(shi)(shi)(shi)性(xing)(xing)(xing)能(neng)遠遠優于(yu)(yu)金(jin)屬(shu),不(bu)怕酸、堿(jian)腐蝕(shi)(shi)(shi),它(ta)(ta)本身不(bu)腐蝕(shi)(shi)(shi),能(neng)有(you)(you)效(xiao)(xiao)地維護預應(ying)(ying)力(li)(li)筋(jin)不(bu)受(shou)(shou)腐蝕(shi)(shi)(shi)。很多預應(ying)(ying)力(li)(li)結構(gou)承受(shou)(shou)著外界嚴峻(jun)的(de)(de)(de)(de)影響(xiang),如(ru)除冰鹽或鹽水(shui)(shui)。當后(hou)張(zhang)構(gou)件(jian)由于(yu)(yu)防水(shui)(shui)層的(de)(de)(de)(de)崩潰、微(wei)裂縫(feng)漏水(shui)(shui)和排(pai)水(shui)(shui)設施(shi)(shi)的(de)(de)(de)(de)阻塞或失(shi)效(xiao)(xiao)時,預應(ying)(ying)力(li)(li)筋(jin)就會或許受(shou)(shou)到腐蝕(shi)(shi)(shi)效(xiao)(xiao)果(guo)。塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)能(neng)為預應(ying)(ying)力(li)(li)筋(jin)供給一種(zhong)遠遠優于(yu)(yu)金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)屏(ping)障維護效(xiao)(xiao)果(guo),能(neng)避免有(you)(you)害物質穿透管(guan)(guan)(guan)(guan)道(dao)的(de)(de)(de)(de)污染,然后(hou)保證了后(hou)張(zhang)預應(ying)(ying)力(li)(li)結構(gou)具(ju)有(you)(you)更好的(de)(de)(de)(de)耐(nai)久性(xing)(xing)(xing), 同等條件(jian)下(xia),SBG(B)塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)管(guan)(guan)(guan)(guan)預留(liu)孔道(dao)的(de)(de)(de)(de)摩(mo)擦(ca)(ca)系(xi)數(shu)顯著小于(yu)(yu)金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)預留(liu)孔道(dao)的(de)(de)(de)(de)摩(mo)擦(ca)(ca)系(xi)數(shu),減小了張(zhang)拉過程中預應(ying)(ying)力(li)(li)的(de)(de)(de)(de)摩(mo)擦(ca)(ca)損失(shi)。一般地,塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)摩(mo)擦(ca)(ca)系(xi)數(shu)取0.14,而金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)摩(mo)擦(ca)(ca)系(xi)數(shu)取0.25。(0.2-0.25)公路橋規,誤差(cha)系(xi)數(shu)為0.0015, 塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)強(qiang)度高(gao),不(bu)怕踩壓(ya),不(bu)易被(bei)振搗捧鑿破(po),其(qi)密封(feng)性(xing)(xing)(xing)能(neng)和抗滲漏性(xing)(xing)(xing)能(neng)高(gao)于(yu)(yu)金(jin)屬(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan),更適用于(yu)(yu)真空灌(guan)漿, 塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)不(bu)導(dao)電,能(neng)夠避免雜(za)散電流腐蝕(shi)(shi)(shi),而金(jin)屬(shu)是電的(de)(de)(de)(de)良導(dao)體(ti), 塑(su)(su)(su)料(liao)(liao)(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)具(ju)有(you)(you)更好的(de)(de)(de)(de)耐(nai)勞性(xing)(xing)(xing)能(neng),能(neng)大(da)大(da)提高(gao)構(gou)件(jian)的(de)(de)(de)(de)抗疲勞能(neng)力(li)(li)。。
南京高密度聚乙烯波紋管價格焊接(jie)(jie)波(bo)紋管(guan)(guan)是軸對稱管(guan)(guan)狀波(bo)紋薄片相(xiang)互(hu)焊接(jie)(jie)而成(cheng)的與壓(ya)制(zhi)(zhi)波(bo)紋管(guan)(guan)相(xiang)比,在軸向(xiang)力、橫向(xiang)力和彎矩(ju)作(zuo)用下(xia)能產生較(jiao)大的位移,廣泛(fan)用于真空傳動(dong)密封、軸向(xiang)運動(dong)的補償元件、軸向(xiang)封口(kou)、伸縮接(jie)(jie)頭等。 WMV系列(lie)焊接(jie)(jie)波(bo)紋管(guan)(guan)的技(ji)術性能和尺寸見表6-109、表6-110。 中(zhong)國科(ke)學(xue)院沈(shen)陽科(ke)學(xue)儀器研(yan)制(zhi)(zhi)中(zhong)心有限公司生產的HB系列(lie)焊接(jie)(jie)波(bo)紋管(guan)(guan)的技(ji)術性能參數為(wei):。
復合管環形單層金屬波紋(wen)管(guan)型(xing)(xing)式、基本參(can)數與尺寸(cun) ①波紋(wen)管(guan)按兩端(duan)(duan)(duan)(duan)配(pei)(pei)(pei)(pei)合(he)(he)部分的(de)結構分為(wei)(wei)(wei)五(wu)種(zhong)型(xing)(xing)式,如圖6-61所示: A型(xing)(xing):兩端(duan)(duan)(duan)(duan)均為(wei)(wei)(wei)外(wai)(wai)配(pei)(pei)(pei)(pei)合(he)(he)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):A B型(xing)(xing):兩端(duan)(duan)(duan)(duan)均為(wei)(wei)(wei)內(nei)配(pei)(pei)(pei)(pei)合(he)(he)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):B C型(xing)(xing):一(yi)端(duan)(duan)(duan)(duan)為(wei)(wei)(wei)外(wai)(wai)配(pei)(pei)(pei)(pei)合(he)(he),另(ling)一(yi)端(duan)(duan)(duan)(duan)為(wei)(wei)(wei)內(nei)配(pei)(pei)(pei)(pei)合(he)(he)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):C AD型(xing)(xing):一(yi)端(duan)(duan)(duan)(duan)為(wei)(wei)(wei)外(wai)(wai)配(pei)(pei)(pei)(pei)合(he)(he),另(ling)一(yi)端(duan)(duan)(duan)(duan)帶底(di)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):AD BD型(xing)(xing):一(yi)端(duan)(duan)(duan)(duan)為(wei)(wei)(wei)內(nei)配(pei)(pei)(pei)(pei)合(he)(he),另(ling)一(yi)端(duan)(duan)(duan)(duan)帶底(di)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):BD 如有特(te)殊(shu)要(yao)求(qiu),經用(yong)(yong)戶及(ji)制(zhi)(zhi)造(zao)廠雙方(fang)(fang)協商可(ke)采(cai)用(yong)(yong)其(qi)它配(pei)(pei)(pei)(pei)合(he)(he)型(xing)(xing)式,此時代(dai)(dai)(dai)(dai)號(hao)(hao)(hao)為(wei)(wei)(wei)T ②波紋(wen)管(guan)用(yong)(yong)下列四種(zhong)材料(liao)制(zhi)(zhi)造(zao): a.黃銅(H80)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):H b.錫磷青(qing)銅(QSn6.5-0.1)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):L c.鈹(pi)青(qing)銅(QBe2或QBel.9)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):P d.不銹鋼(1Cr18Ni9Ti)代(dai)(dai)(dai)(dai)號(hao)(hao)(hao):G 如有特(te)殊(shu)耍求(qiu),經用(yong)(yong)戶及(ji)制(zhi)(zhi)造(zao)廠雙方(fang)(fang)協商,允許采(cai)用(yong)(yong)其(qi)它材料(liao),代(dai)(dai)(dai)(dai)號(hao)(hao)(hao)直接用(yong)(yong)材料(liao)牌號(hao)(hao)(hao)。 ③波紋(wen)管(guan)的(de)尺寸(cun)和基本參(can)數應(ying)符(fu)合(he)(he)表6-107、表6-108的(de)規定。 ④標記示例:波紋(wen)管(guan)兩端(duan)(duan)(duan)(duan)均為(wei)(wei)(wei)外(wai)(wai)配(pei)(pei)(pei)(pei)合(he)(he),材料(liao)用(yong)(yong)黃銅(H80),內(nei)徑(jing)為(wei)(wei)(wei)20mm,壁厚(hou)0.1mm,波紋(wen)數15個(ge),其(qi)標記為(wei)(wei)(wei)波紋(wen)管(guan)AH20times,0.1times,15JB2388-87。
重慶波紋(wen)管(guan)報價四川(chuan)亞泰新(xin)材料用心于高新(xin)技術產(chan)品的(de)開發(fa)、生產(chan)、銷(xiao)售;高度偏(pian)重新(xin)產(chan)品的(de)開發(fa)與應(ying)用,現在(zai)具(ju)有國內、海(hai)外(wai)進步前輩水(shui)(shui)平生產(chan)線幾(ji)十多條(套(tao)),制造(zao)了(le)自己的(de)企(qi)業研(yan)發(fa)焦(jiao)點(dian),具(ju)有高級研(yan)發(fa)人員;產(chan)品用于城鄉市政、廠礦(kuang)企(qi)業、雨(yu)(yu)(yu)水(shui)(shui)事故池(chi)化(hua)工行業的(de)給排水(shui)(shui)、電(dian)力電(dian)纜、燃氣等行業,為(wei)城鄉環境守護、節(jie)能減排以及新(xin)農村締造(zao)供給了(le)全方位優(you)質的(de)產(chan)品 上一(yi)篇(pian):沒有上一(yi)篇(pian)了(le)下一(yi)篇(pian):雅安(an)一(yi)次性注塑(su)塑(su)料檢查井生產(chan)銷(xiao)售品質卓越相(xiang)關內容推(tui)薦(jian)PP模塊雨(yu)(yu)(yu)水(shui)(shui)收集系統雨(yu)(yu)(yu)水(shui)(shui)事故池(chi)雨(yu)(yu)(yu)水(shui)(shui)回收系統雨(yu)(yu)(yu)水(shui)(shui)收集_。
來(lai)源:南(nan)(nan)京(jing)(jing)(jing)明塑(su)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)業有(you)(you)(you)限公司(si)南(nan)(nan)京(jing)(jing)(jing)HDPE雙(shuang)(shuang)(shuang)(shuang)(shuang)壁(bi)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南(nan)(nan)京(jing)(jing)(jing)HDPE塑(su)鋼(gang)(gang)(gang)(gang)纏繞(rao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南(nan)(nan)京(jing)(jing)(jing)HDPE雙(shuang)(shuang)(shuang)(shuang)(shuang)壁(bi)纏繞(rao)排(pai)(pai)(pai)水管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南(nan)(nan)京(jing)(jing)(jing)HDPE鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)增強(qiang)螺(luo)旋(xuan)(xuan)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南(nan)(nan)京(jing)(jing)(jing)排(pai)(pai)(pai)水排(pai)(pai)(pai)污管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南(nan)(nan)京(jing)(jing)(jing)高密度聚(ju)(ju)乙烯(xi)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南(nan)(nan)京(jing)(jing)(jing)塑(su)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)社會在(zai)(zai)發展,國家(jia)在(zai)(zai)建設(she),所以(yi)現在(zai)(zai)有(you)(you)(you)很(hen)(hen)多(duo)大大小小的(de)(de)(de)(de)(de)(de)工程在(zai)(zai)實施,工程的(de)(de)(de)(de)(de)(de)實施是(shi)(shi)需(xu)要(yao)很(hen)(hen)多(duo)的(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao),排(pai)(pai)(pai)水排(pai)(pai)(pai)污管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)需(xu)要(yao)時(shi)(shi)很(hen)(hen)大的(de)(de)(de)(de)(de)(de),所以(yi),現在(zai)(zai)的(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)有(you)(you)(you)很(hen)(hen)多(duo)種(zhong)(zhong),在(zai)(zai)選(xuan)擇管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)這方面(mian)就(jiu)(jiu)會有(you)(you)(you)很(hen)(hen)多(duo)的(de)(de)(de)(de)(de)(de)問(wen)題,因為不(bu)(bu)是(shi)(shi)對(dui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)的(de)(de)(de)(de)(de)(de)行(xing)業很(hen)(hen)了(le)解,所以(yi)有(you)(you)(you)的(de)(de)(de)(de)(de)(de)時(shi)(shi)候不(bu)(bu)知(zhi)道(dao)自己的(de)(de)(de)(de)(de)(de)工程師需(xu)要(yao)怎(zen)么(me)樣(yang)(yang)的(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao),在(zai)(zai)現在(zai)(zai)的(de)(de)(de)(de)(de)(de)工程中,選(xuan)擇HDPE雙(shuang)(shuang)(shuang)(shuang)(shuang)壁(bi)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)增強(qiang)聚(ju)(ju)乙烯(xi)螺(luo)旋(xuan)(xuan)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)客戶是(shi)(shi)占很(hen)(hen)多(duo)的(de)(de)(de)(de)(de)(de)人數的(de)(de)(de)(de)(de)(de)但是(shi)(shi)這兩(liang)(liang)(liang)種(zhong)(zhong)的(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)是(shi)(shi)不(bu)(bu)同(tong)的(de)(de)(de)(de)(de)(de),有(you)(you)(you)的(de)(de)(de)(de)(de)(de)客戶就(jiu)(jiu)會問(wen)了(le),那么(me)這兩(liang)(liang)(liang)種(zhong)(zhong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)的(de)(de)(de)(de)(de)(de)不(bu)(bu)同(tong)在(zai)(zai)哪里呢?現在(zai)(zai),我(wo)們(men)(men)做(zuo)(zuo)了(le)專業的(de)(de)(de)(de)(de)(de)調查,HDPE雙(shuang)(shuang)(shuang)(shuang)(shuang)壁(bi)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)增強(qiang)聚(ju)(ju)乙烯(xi)螺(luo)旋(xuan)(xuan)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)區別是(shi)(shi)有(you)(you)(you)很(hen)(hen)多(duo)的(de)(de)(de)(de)(de)(de),但是(shi)(shi)首先要(yao)明白的(de)(de)(de)(de)(de)(de)是(shi)(shi)他(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)相同(tong)點(dian)是(shi)(shi)排(pai)(pai)(pai)水排(pai)(pai)(pai)污的(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao),還有(you)(you)(you)就(jiu)(jiu)是(shi)(shi)他(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)用料是(shi)(shi)一(yi)(yi)(yi)(yi)樣(yang)(yang)的(de)(de)(de)(de)(de)(de),都(dou)是(shi)(shi)高濃度的(de)(de)(de)(de)(de)(de)聚(ju)(ju)乙烯(xi),還有(you)(you)(you)就(jiu)(jiu)是(shi)(shi)他(ta)(ta)們(men)(men)都(dou)是(shi)(shi)有(you)(you)(you)波(bo)(bo)紋(wen)(wen)(wen)(wen)的(de)(de)(de)(de)(de)(de),所以(yi),我(wo)們(men)(men)看著到(dao)的(de)(de)(de)(de)(de)(de)他(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)共同(tong)點(dian),下(xia)(xia)面(mian),我(wo)們(men)(men)就(jiu)(jiu)來(lai)了(le)解一(yi)(yi)(yi)(yi)下(xia)(xia)他(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)不(bu)(bu)同(tong)的(de)(de)(de)(de)(de)(de)地(di)方:,從字(zi)面(mian)的(de)(de)(de)(de)(de)(de)意思上理解,這是(shi)(shi)兩(liang)(liang)(liang)種(zhong)(zhong)不(bu)(bu)同(tong)的(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao),一(yi)(yi)(yi)(yi)種(zhong)(zhong)叫做(zuo)(zuo)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)一(yi)(yi)(yi)(yi)種(zhong)(zhong)叫做(zuo)(zuo)螺(luo)旋(xuan)(xuan)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),所以(yi)在(zai)(zai)制作的(de)(de)(de)(de)(de)(de)時(shi)(shi)候也(ye)是(shi)(shi)有(you)(you)(you)區別的(de)(de)(de)(de)(de)(de),第(di)(di)二,他(ta)(ta)們(men)(men)同(tong)為有(you)(you)(you)波(bo)(bo)紋(wen)(wen)(wen)(wen)的(de)(de)(de)(de)(de)(de),但是(shi)(shi)波(bo)(bo)紋(wen)(wen)(wen)(wen)里面(mian)的(de)(de)(de)(de)(de)(de)東西是(shi)(shi)不(bu)(bu)同(tong)的(de)(de)(de)(de)(de)(de),HDPE雙(shuang)(shuang)(shuang)(shuang)(shuang)壁(bi)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)波(bo)(bo)紋(wen)(wen)(wen)(wen)里面(mian)是(shi)(shi)空(kong)的(de)(de)(de)(de)(de)(de),鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)增強(qiang)聚(ju)(ju)乙烯(xi)螺(luo)旋(xuan)(xuan)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)里面(mian)是(shi)(shi)有(you)(you)(you)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)的(de)(de)(de)(de)(de)(de),鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)在(zai)(zai)熔融(rong)(rong)的(de)(de)(de)(de)(de)(de)狀(zhuang)態(tai)下(xia)(xia)和(he)聚(ju)(ju)乙烯(xi)融(rong)(rong)在(zai)(zai)一(yi)(yi)(yi)(yi)起(qi),形成緊密的(de)(de)(de)(de)(de)(de)結合。所以(yi)抗壓(ya)能力是(shi)(shi)很(hen)(hen)強(qiang)的(de)(de)(de)(de)(de)(de),第(di)(di)三,這兩(liang)(liang)(liang)種(zhong)(zhong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)的(de)(de)(de)(de)(de)(de)生產(chan)時(shi)(shi)間不(bu)(bu)一(yi)(yi)(yi)(yi)樣(yang)(yang)的(de)(de)(de)(de)(de)(de),雙(shuang)(shuang)(shuang)(shuang)(shuang)壁(bi)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)相對(dui)時(shi)(shi)間要(yao)短一(yi)(yi)(yi)(yi)些,所以(yi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)的(de)(de)(de)(de)(de)(de)產(chan)量很(hen)(hen)高,不(bu)(bu)存在(zai)(zai)等貨(huo)的(de)(de)(de)(de)(de)(de)現象。HDPE雙(shuang)(shuang)(shuang)(shuang)(shuang)壁(bi)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)增強(qiang)聚(ju)(ju)乙烯(xi)螺(luo)旋(xuan)(xuan)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)區別是(shi)(shi)什(shen)么(me)?總之,不(bu)(bu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)選(xuan)擇那種(zhong)(zhong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao),都(dou)要(yao)根(gen)據自己的(de)(de)(de)(de)(de)(de)工程需(xu)要(yao)來(lai)進行(xing)選(xuan)擇。。
環剛(gang)度代表排水管(guan)(guan)承受外壓負載的(de)能(neng)力,與管(guan)(guan)材(cai)的(de)慣性矩和(he)彈性模量成(cheng)正比(bi),與管(guan)(guan)徑的(de)立(li)方成(cheng)反比(bi)在環剛(gang)度相同的(de)條件(jian)下(xia),使(shi)(shi)用(yong)結(jie)構壁管(guan)(guan)比(bi)使(shi)(shi)用(yong)實壁管(guan)(guan)節(jie)約材(cai)料50%-70%。結(jie)構壁管(guan)(guan)有6種類型(xing):PVC雙(shuang)壁波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)、PVC加筋(jin)管(guan)(guan)、HDPE雙(shuang)壁波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)、HDPE纏繞管(guan)(guan)、克拉管(guan)(guan)和(he)玻璃(li)鋼夾砂管(guan)(guan)。目(mu)前使(shi)(shi)用(yong)最(zui)多(duo)的(de)是(shi):Φ500mm以(yi)(yi)下(xia),PVC雙(shuang)壁波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)、PVC加筋(jin)管(guan)(guan)和(he)HDPE雙(shuang)壁波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan);Φ500mm以(yi)(yi)上,HDPE雙(shuang)壁波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)、克拉管(guan)(guan)、纏繞管(guan)(guan)和(he)玻璃(li)鋼夾砂管(guan)(guan)。大口(kou)徑HDPE雙(shuang)壁波(bo)(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)是(shi)6種結(jie)構壁管(guan)(guan)中(zhong)優點最(zui)突出的(de)類型(xing),主要(yao)原(yuan)因(yin)是(shi)原(yuan)料省、成(cheng)本低、生產(chan)效(xiao)率高、整(zheng)體性能(neng)好、施工方便和(he)使(shi)(shi)用(yong)安全。。
各種型(xing)號的(de)(de)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan),山(shan)西七(qi)孔梅(mei)花管(guan)(guan)(guan)(guan)(guan)(guan),PP模塊(kuai)山(shan)西晉(jin)中鋼帶(dai)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan),山(shan)西晉(jin)中PE給水管(guan)(guan)(guan)(guan)(guan)(guan),山(shan)西晉(jin)中MP電(dian)力管(guan)(guan)(guan)(guan)(guan)(guan),生產(chan)與銷(xiao)(xiao)售山(shan)西冀(ji)盛(sheng)山(shan)西波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)、HDPE雙(shuang)壁波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)安裝(zhuang)技術要求山(shan)西冀(ji)盛(sheng)通達管(guan)(guan)(guan)(guan)(guan)(guan)業(ye),銷(xiao)(xiao)售HDPE雙(shuang)壁波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan),鋼帶(dai)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan),提供山(shan)西地區波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)產(chan)品采購(gou)安裝(zhuang)一條龍服務。1、管(guan)(guan)(guan)(guan)(guan)(guan)材設計施(shi)工(gong)(gong)(gong)現場(chang)測(ce)量簡圖(tu)。2.將控(kong)制坐標點引(yin)測(ce)至(zhi)施(shi)工(gong)(gong)(gong)現場(chang),做(zuo)好標記,并加以保護。3.按照工(gong)(gong)(gong)程特點的(de)(de)要求引(yin)測(ce)具部控(kong)制點。4.進行施(shi)工(gong)(gong)(gong)溝(gou)槽(cao)中線.溝(gou)槽(cao)開(kai)挖(wa)采用(yong)小型(xing)機械開(kai)挖(wa),人工(gong)(gong)(gong)修坡,開(kai)挖(wa)邊坡為1,開(kai)挖(wa)溝(gou)槽(cao)的(de)(de)土方堆(dui)放至(zhi)北測(ce),堆(dui)土距開(kai)挖(wa)邊線m。pe管(guan)(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)(gong)是熔(rong)(rong)接溫度如何控(kong)制,今天要給大(da)家介紹pe管(guan)(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)(gong)熔(rong)(rong)接溫度,希望對大(da)家有所幫助,也讓想要了(le)解的(de)(de)朋友得到(dao)一些(xie)共(gong)(gong)識。HDPE管(guan)(guan)(guan)(guan)(guan)(guan)規(gui)格及連(lian)接方式HDPE管(guan)(guan)(guan)(guan)(guan)(guan)道的(de)(de)口徑從DN32到(dao)DN1000,共(gong)(gong)分(fen)26個(ge)級別。壓力等級在0.6Mpa~1.6Mpa之間(jian),共(gong)(gong)5個(ge)等級。HDPE管(guan)(guan)(guan)(guan)(guan)(guan)在溫度190℃n240℃之間(jian)將被熔(rong)(rong)化(hua),利用(yong)這一特性,將管(guan)(guan)(guan)(guan)(guan)(guan)材(或(huo)管(guan)(guan)(guan)(guan)(guan)(guan)件)兩熔(rong)(rong)化(hua)的(de)(de)部份充分(fen)接觸。的(de)(de)選(xuan)用(yong)山(shan)西冀(ji)盛(sheng)通達管(guan)(guan)(guan)(guan)(guan)(guan)業(ye),專(zhuan)營太(tai)原波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan),太(tai)原雙(shuang)壁波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan),太(tai)原鋼帶(dai)波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)小區內過車(che)道路下(xia)排水管(guan)(guan)(guan)(guan)(guan)(guan)選(xuan)用(yong)環剛(gang)度為8KN/m2的(de)(de)雙(shuang)壁波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan);綠(lv)化(hua)、人行道下(xia)排水管(guan)(guan)(guan)(guan)(guan)(guan)選(xuan)用(yong)環剛(gang)度為4KN/m2的(de)(de)雙(shuang)壁波(bo)紋管(guan)(guan)(guan)(guan)(guan)(guan)。
外觀質(zhi)量(liang)檢查(cha)(cha)應進行監(jian)理等驗(yan)收(shou)單位應根據(ju)施工質(zhi)量(liang)抽取一定(ding)比例焊口進行外觀檢查(cha)(cha),數量(liang)不得少于(yu)焊口數的(de)10%。 青(qing)島(dao)新榮昌(chang)塑料(liao)機(ji)械主要產品(pin)(pin)有(you)各種規格的(de)塑料(liao)波紋管(guan)(guan)(guan),適(shi)用(yong)于(yu)洗衣機(ji)。洗碗(wan)機(ji),空調,洗塵器,冰箱(xiang)等家用(yong)電器伸(shen)縮(suo)波紋管(guan)(guan)(guan)。電力(li)電器高壓柜(ju)PVC鋼絲纏繞管(guan)(guan)(guan)和各種中空吹塑制(zhi)品(pin)(pin)。本(ben)擁有(you)雄厚的(de)技術力(li)量(liang),完整的(de)測試(shi)手段,可靠的(de)質(zhi)量(liang)保(bao)證,生(sheng)產設備齊全(quan),以低價優質(zhi)來贏(ying)得客(ke)戶的(de)信任,本(ben)竭誠為(wei)廣大(da)國內外客(ke)戶提供,更精,更美,更優的(de)產品(pin)(pin)。抗震(zhen)支(zhi)架綜合支(zhi)架預埋槽,。