在(zai)頂(ding)(ding)管(guan)施(shi)工(gong)過程(cheng)中(zhong)常(chang)會(hui)(hui)遇(yu)到(dao)如下值得注意的(de)問(wen)題：有毒氣體(ti)的(de)檢測與防護頂(ding)(ding)管(guan)施(shi)工(gong)的(de)地(di)(di)層一(yi)般會(hui)(hui)通過淤泥層，腐爛動、植物體(ti)會(hui)(hui)在(zai)地(di)(di)下形成(cheng)有毒氣體(ti)聚集體(ti)，危害(hai)施(shi)工(gong)人員的(de)健康和(he)生命，所以(yi)有人員在(zai)頂(ding)(ding)管(guan)內(nei)操作的(de)情況下，需要定(ding)時監測管(guan)內(nei)有毒氣體(ti)含量(liang)，采用(yong)通風(feng)裝置予以(yi)解(jie)決(jue)。超前探查地(di)(di)下管(guan)線(xian)盡管(guan)先進的(de)頂(ding)(ding)管(guan)設(she)備(bei)具有在(zai)施(shi)工(gong)時探查前進路線(xian)不遠距離管(guan)線(xian)的(de)能力，但(dan)是采用(yong)在(zai)地(di)(di)面提前查明地(di)(di)下管(guan)線(xian)仍是值得開展(zhan)的(de)，這對于保(bao)(bao)證通訊、電力、上水、排(pai)(pai)水、煤氣等其它管(guan)線(xian)安(an)全(quan)運營，確(que)保(bao)(bao)公(gong)眾正常(chang)生活仍有必要。排(pai)(pai)水管(guan)道的(de)設(she)計應考慮周(zhou)圍(wei)環境(jing)和(he)地(di)(di)質條件。長春(chun)雙密封承插自鎖(suo)柔性排(pai)(pai)水管(guan)道技術服務

頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)法施(shi)工管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)是(shi)采(cai)用油壓千斤(jin)頂(ding)或其他方法，將管(guan)(guan)(guan)(guan)(guan)(guan)(guan)子按設(she)計方位(wei)(wei)、傾角頂(ding)入土層中，直至另一(yi)(yi)(yi)個設(she)計位(wei)(wei)置(zhi)。頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)法施(shi)工管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)既(ji)能(neng)在地(di)下水(shui)位(wei)(wei)以(yi)(yi)(yi)上(shang)的(de)(de)土層中進(jin)(jin)(jin)行(xing)(xing)，也能(neng)在水(shui)位(wei)(wei)以(yi)(yi)(yi)下的(de)(de)土層中施(shi)工。該(gai)方法不影(ying)響城(cheng)市和(he)(he)水(shui)上(shang)航道(dao)(dao)通(tong)行(xing)(xing)，也不損(sun)壞已有建筑、設(she)施(shi)和(he)(he)環境文明，而且工程成本低、進(jin)(jin)(jin)度快，所以(yi)(yi)(yi)頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)法施(shi)工地(di)下管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)的(de)(de)應用越(yue)來越(yue)普遍。在實施(shi)頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)法作業(ye)時，雖(sui)然所進(jin)(jin)(jin)入的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)于口徑大小不一(yi)(yi)(yi)，頂(ding)進(jin)(jin)(jin)距離(li)長短(duan)不一(yi)(yi)(yi)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)子材料不一(yi)(yi)(yi)，但頂(ding)進(jin)(jin)(jin)原理(li)都是(shi)相同(tong)的(de)(de)。理(li)論上(shang)說，頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)法施(shi)工可不受(shou)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑、頂(ding)進(jin)(jin)(jin)距離(li)和(he)(he)土質條(tiao)件(jian)的(de)(de)限制(zhi)。但實際上(shang)，由于管(guan)(guan)(guan)(guan)(guan)(guan)(guan)子前端的(de)(de)正面(mian)阻力(li)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)外壁的(de)(de)摩(mo)擦阻力(li)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)材的(de)(de)強度和(he)(he)地(di)下水(shui)壓力(li)等因(yin)素(su)的(de)(de)影(ying)響，致使(shi)該(gai)施(shi)工方法還存在許多技術問題(ti)。昆(kun)明定(ding)向鉆牽引鋪設(she)排(pai)水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)接口安(an)裝排(pai)水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)的(de)(de)維護應按照相關(guan)要求進(jin)(jin)(jin)行(xing)(xing)。

根據管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)對應(ying)的(de)(de)作(zuo)用(yong)(yong)(yong)(yong)來分析管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)穿越是(shi)否采用(yong)(yong)(yong)(yong)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)或采用(yong)(yong)(yong)(yong)什么套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)問題(ti)；套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)通(tong)常有以下四(si)個(ge)(ge)作(zuo)用(yong)(yong)(yong)(yong)：其(qi)(qi)中一個(ge)(ge)作(zuo)用(yong)(yong)(yong)(yong)：防(fang)(fang)水(shui)(shui)，的(de)(de)主(zhu)要體(ti)現(xian)在(zai)(zai)穿地下室(shi)外墻、廚(chu)衛間、其(qi)(qi)他有水(shui)(shui)地方(fang)的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)采用(yong)(yong)(yong)(yong)，主(zhu)要的(de)(de)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)形(xing)式(shi)有：剛性防(fang)(fang)水(shui)(shui)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)、柔性防(fang)(fang)水(shui)(shui)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)；第二個(ge)(ge)作(zuo)用(yong)(yong)(yong)(yong)：保持管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)與(yu)結構(gou)分離；主(zhu)要體(ti)現(xian)在(zai)(zai)穿越墻體(ti)、非用(yong)(yong)(yong)(yong)水(shui)(shui)房間等的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)采用(yong)(yong)(yong)(yong)；主(zhu)要的(de)(de)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)形(xing)式(shi)有：普通(tong)塑料(liao)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)、普通(tong)鋼套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)等；第三個(ge)(ge)作(zuo)用(yong)(yong)(yong)(yong)：維修時候(hou)方(fang)便；主(zhu)要體(ti)現(xian)在(zai)(zai)是(shi)否管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)是(shi)否容(rong)易損(sun)壞；如(ru)塑料(liao)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)在(zai)(zai)沒有其(qi)(qi)他作(zuo)用(yong)(yong)(yong)(yong)就可以不設置(zhi)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)，管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)可以自己鋸(ju)斷加(jia)直接(jie)，比較方(fang)便；第四(si)個(ge)(ge)作(zuo)用(yong)(yong)(yong)(yong)：有特殊(shu)功能要求；比如(ru)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)穿越不同的(de)(de)防(fang)(fang)火(huo)分區(qu)了，這就需要設置(zhi)防(fang)(fang)火(huo)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)，防(fang)(fang)止火(huo)災擴(kuo)大；主(zhu)要套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)形(xing)式(shi)就有：防(fang)(fang)火(huo)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)等。

頂管(guan)施工(gong)方法和選擇：1、開放式頂管(guan)：當工(gong)作(zuo)面土(tu)(tu)(tu)層(ceng)的(de)物理力學性(xing)質良好(hao)且土(tu)(tu)(tu)層(ceng)處于穩(wen)定狀態時，操作(zuo)時不(bu)會出現(xian)塌方現(xian)象，能(neng)直接(jie)挖土(tu)(tu)(tu)，且工(gong)作(zuo)面開敞(chang)。2、機械(xie)式頂管(guan)機：適用(yong)于巖層(ceng)，硬土(tu)(tu)(tu)層(ceng)和整體穩(wen)定性(xing)較(jiao)(jiao)好(hao)的(de)土(tu)(tu)(tu)層(ceng)，工(gong)作(zuo)效率比(bi)(bi)較(jiao)(jiao)高。3、擠壓式頂管(guan)機：適用(yong)于淤泥質土(tu)(tu)(tu)，流(liu)塑(su)性(xing)土(tu)(tu)(tu)質，而(er)且要求(qiu)覆土(tu)(tu)(tu)深(shen)度比(bi)(bi)較(jiao)(jiao)深(shen)。4、人(ren)工(gong)挖掘(jue)頂管(guan)機：適用(yong)于地基強度較(jiao)(jiao)高的(de)土(tu)(tu)(tu)層(ceng)，也有在(zai)軟土(tu)(tu)(tu)中應用(yong)的(de)，前提采用(yong)注(zhu)漿改(gai)善土(tu)(tu)(tu)質，或在(zai)工(gong)具管(guan)前加網格(ge)，以穩(wen)定挖掘(jue)面，更大(da)特點是(shi)適應地下障礙物較(jiao)(jiao)多(duo)且較(jiao)(jiao)大(da)的(de)條(tiao)件，可(ke)排(pai)除障礙的(de)可(ke)能(neng)性(xing)更大(da)更好(hao)。排(pai)水管(guan)道施工(gong)過程中應遵(zun)循施工(gong)圖(tu)紙(zhi)和技術要求(qiu)。

定(ding)(ding)向(xiang)鉆進(jin)(jin)和(he)頂管(guan)施(shi)(shi)工(gong)(gong)(gong)(gong)單(dan)位在施(shi)(shi)工(gong)(gong)(gong)(gong)時(shi)(shi)(shi)應(ying)該注意的事項：(1)地(di)(di)下(xia)(xia)(xia)管(guan)線(xian)勘(kan)(kan)察(cha)，除采(cai)用必(bi)要(yao)的物探方法外，還(huan)需技術(shu)人員親臨現(xian)場勘(kan)(kan)察(cha)和(he)校核；(2)施(shi)(shi)工(gong)(gong)(gong)(gong)中要(yao)有風險意識，絕不可(ke)麻痹(bi)大(da)意或心存(cun)僥幸(xing)心理；(3)施(shi)(shi)工(gong)(gong)(gong)(gong)中應(ying)做(zuo)(zuo)好監控測量和(he)人員巡視工(gong)(gong)(gong)(gong)作，出現(xian)異常情(qing)況時(shi)(shi)(shi)，立即停止(zhi)施(shi)(shi)工(gong)(gong)(gong)(gong)，檢查問(wen)題原(yuan)因；(4)隨著(zhu)城市地(di)(di)下(xia)(xia)(xia)管(guan)線(xian)越來(lai)越多(duo)，定(ding)(ding)向(xiang)鉆進(jin)(jin)和(he)頂管(guan)時(shi)(shi)(shi)，地(di)(di)下(xia)(xia)(xia)施(shi)(shi)工(gong)(gong)(gong)(gong)的風險越來(lai)越大(da)；(5)出現(xian)事故時(shi)(shi)(shi)，應(ying)按(an)應(ying)急(ji)預(yu)(yu)(yu)案(an)相(xiang)關程序處理。(6)施(shi)(shi)工(gong)(gong)(gong)(gong)前，必(bi)須做(zuo)(zuo)工(gong)(gong)(gong)(gong)程地(di)(di)質勘(kan)(kan)查，詳細勘(kan)(kan)察(cha)地(di)(di)下(xia)(xia)(xia)管(guan)線(xian)等地(di)(di)下(xia)(xia)(xia)構筑物；(7)施(shi)(shi)工(gong)(gong)(gong)(gong)前應(ying)做(zuo)(zuo)施(shi)(shi)工(gong)(gong)(gong)(gong)專項方案(an)，做(zuo)(zuo)好做(zuo)(zuo)全應(ying)急(ji)預(yu)(yu)(yu)案(an)；(8)施(shi)(shi)工(gong)(gong)(gong)(gong)前按(an)應(ying)急(ji)預(yu)(yu)(yu)案(an)，準(zhun)備(bei)好應(ying)急(ji)處理設(she)備(bei)和(he)材料；(9)施(shi)(shi)工(gong)(gong)(gong)(gong)中出現(xian)遇阻情(qing)況，絕不可(ke)蠻干，有時(shi)(shi)(shi)是鉆遇地(di)(di)下(xia)(xia)(xia)管(guan)線(xian)或其它(ta)事故的前兆；排(pai)水管(guan)道的保溫(wen)和(he)防凍要(yao)考慮氣候(hou)和(he)環(huan)境因素。濟南定(ding)(ding)向(xiang)鉆牽引鋪設(she)排(pai)水管(guan)道施(shi)(shi)工(gong)(gong)(gong)(gong)

排水(shui)管道(dao)施工(gong)人員應具備(bei)相關技能和證(zheng)書。長春雙密封承插自鎖柔性排水(shui)管道(dao)技術服務

頂(ding)(ding)管(guan)施(shi)工(gong)(gong)氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)平(ping)(ping)衡(heng)(heng)式(shi)(shi)：與泥水(shui)平(ping)(ping)衡(heng)(heng)式(shi)(shi)的(de)(de)(de)更(geng)大區別在(zai)(zai)于(yu)，氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)平(ping)(ping)衡(heng)(heng)式(shi)(shi)頂(ding)(ding)管(guan)機(ji)通(tong)(tong)過一(yi)個隔板(ban)將(jiang)破碎室分隔為(wei)兩(liang)個區域，后面(mian)(mian)是壓(ya)(ya)(ya)(ya)力室，以壓(ya)(ya)(ya)(ya)力墻(qiang)為(wei)界，在(zai)(zai)其(qi)上(shang)部可以形(xing)成一(yi)個壓(ya)(ya)(ya)(ya)氣(qi)(qi)(qi)(qi)(qi)(qi)區，平(ping)(ping)衡(heng)(heng)壓(ya)(ya)(ya)(ya)力就(jiu)是通(tong)(tong)過這一(yi)壓(ya)(ya)(ya)(ya)氣(qi)(qi)(qi)(qi)(qi)(qi)區作(zuo)用(yong)于(yu)氣(qi)(qi)(qi)(qi)(qi)(qi)水(shui)不(bu)平(ping)(ping)衡(heng)(heng)的(de)(de)(de)工(gong)(gong)作(zuo)面(mian)(mian)上(shang)。全(quan)氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)式(shi)(shi)：挖掘面(mian)(mian)上(shang)和管(guan)道(dao)(dao)內(nei)所有工(gong)(gong)作(zuo)人員(yuan)都(dou)在(zai)(zai)氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)條(tiao)件(jian)下工(gong)(gong)作(zuo)，整(zheng)個頂(ding)(ding)管(guan)管(guan)道(dao)(dao)內(nei)都(dou)充滿一(yi)定(ding)壓(ya)(ya)(ya)(ya)力的(de)(de)(de)壓(ya)(ya)(ya)(ya)縮空氣(qi)(qi)(qi)(qi)(qi)(qi)。氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)頂(ding)(ding)管(guan)的(de)(de)(de)工(gong)(gong)具管(guan)大多(duo)為(wei)手掘式(shi)(shi)，挖土的(de)(de)(de)多(duo)用(yong)人工(gong)(gong)，工(gong)(gong)具管(guan)構造較簡單(dan)。施(shi)工(gong)(gong)效率(lv)很(hen)低，只為(wei)普(pu)通(tong)(tong)手掘式(shi)(shi)頂(ding)(ding)管(guan)的(de)(de)(de)30%~50%，有鋼制的(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)艙也有混(hun)凝土管(guan)制的(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)艙。局部氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)式(shi)(shi)：壓(ya)(ya)(ya)(ya)縮空氣(qi)(qi)(qi)(qi)(qi)(qi)單(dan)單(dan)作(zuo)用(yong)在(zai)(zai)挖掘面(mian)(mian)上(shang)，相對于(yu)全(quan)氣(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)施(shi)工(gong)(gong)而言(yan)，操作(zuo)人員(yuan)在(zai)(zai)常壓(ya)(ya)(ya)(ya)下工(gong)(gong)作(zuo)。長(chang)春雙(shuang)密(mi)封(feng)承插自鎖柔性排水(shui)管(guan)道(dao)(dao)技術服務

江蘇(su)廣瀚(han)非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)管(guan)(guan)(guan)(guan)(guan)道(dao)技術有(you)(you)限(xian)公(gong)司(si)坐(zuo)落(luo)于(yu)(yu)南(nan)京市溧(li)水(shui)區白(bai)馬(ma)鎮(zhen)白(bai)朱路(lu)111號，是集(ji)設計、開(kai)(kai)發、生產(chan)(chan)(chan)、銷(xiao)(xiao)售、售后服(fu)(fu)務(wu)(wu)于(yu)(yu)一體，建筑、建材的(de)(de)(de)服(fu)(fu)務(wu)(wu)型企業(ye)。公(gong)司(si)在行(xing)業(ye)內發展(zhan)多(duo)年，持(chi)續為用戶(hu)提供(gong)整套(tao)非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)施(shi)(shi)工(gong)(gong)，雙密封承(cheng)插(cha)自(zi)鎖(suo)柔(rou)(rou)(rou)性(xing)(xing)排(pai)(pai)水(shui)管(guan)(guan)(guan)(guan)(guan)，定(ding)向(xiang)鉆(zhan)(zhan)施(shi)(shi)工(gong)(gong)**防(fang)水(shui)長(chang)托(tuo)管(guan)(guan)(guan)(guan)(guan)，非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)頂拉(la)管(guan)(guan)(guan)(guan)(guan)鋪(pu)設排(pai)(pai)水(shui)施(shi)(shi)工(gong)(gong)的(de)(de)(de)解(jie)決方案(an)。公(gong)司(si)主要(yao)經營(ying)非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)施(shi)(shi)工(gong)(gong)，雙密封承(cheng)插(cha)自(zi)鎖(suo)柔(rou)(rou)(rou)性(xing)(xing)排(pai)(pai)水(shui)管(guan)(guan)(guan)(guan)(guan)，定(ding)向(xiang)鉆(zhan)(zhan)施(shi)(shi)工(gong)(gong)**防(fang)水(shui)長(chang)托(tuo)管(guan)(guan)(guan)(guan)(guan)，非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)頂拉(la)管(guan)(guan)(guan)(guan)(guan)鋪(pu)設排(pai)(pai)水(shui)施(shi)(shi)工(gong)(gong)等，我們始終堅持(chi)以可靠的(de)(de)(de)產(chan)(chan)(chan)品(pin)(pin)質量，良好的(de)(de)(de)服(fu)(fu)務(wu)(wu)理(li)念(nian)，優惠(hui)的(de)(de)(de)服(fu)(fu)務(wu)(wu)價格誠信和(he)讓利(li)于(yu)(yu)客戶(hu)，堅持(chi)用自(zi)己(ji)的(de)(de)(de)服(fu)(fu)務(wu)(wu)去打動客戶(hu)。依托(tuo)成(cheng)熟的(de)(de)(de)產(chan)(chan)(chan)品(pin)(pin)資(zi)源和(he)渠道(dao)資(zi)源，向(xiang)全國生產(chan)(chan)(chan)、銷(xiao)(xiao)售非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)施(shi)(shi)工(gong)(gong)，雙密封承(cheng)插(cha)自(zi)鎖(suo)柔(rou)(rou)(rou)性(xing)(xing)排(pai)(pai)水(shui)管(guan)(guan)(guan)(guan)(guan)，定(ding)向(xiang)鉆(zhan)(zhan)施(shi)(shi)工(gong)(gong)**防(fang)水(shui)長(chang)托(tuo)管(guan)(guan)(guan)(guan)(guan)，非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)頂拉(la)管(guan)(guan)(guan)(guan)(guan)鋪(pu)設排(pai)(pai)水(shui)施(shi)(shi)工(gong)(gong)產(chan)(chan)(chan)品(pin)(pin)，經過多(duo)年的(de)(de)(de)沉(chen)淀和(he)發展(zhan)已經形成(cheng)了科學的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)理(li)制度(du)、豐(feng)富的(de)(de)(de)產(chan)(chan)(chan)品(pin)(pin)類型。江蘇(su)廣瀚(han)非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)管(guan)(guan)(guan)(guan)(guan)道(dao)技術有(you)(you)限(xian)公(gong)司(si)本著先做人，后做事，誠信為本的(de)(de)(de)態(tai)度(du)，立志(zhi)于(yu)(yu)為客戶(hu)提供(gong)非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)施(shi)(shi)工(gong)(gong)，雙密封承(cheng)插(cha)自(zi)鎖(suo)柔(rou)(rou)(rou)性(xing)(xing)排(pai)(pai)水(shui)管(guan)(guan)(guan)(guan)(guan)，定(ding)向(xiang)鉆(zhan)(zhan)施(shi)(shi)工(gong)(gong)**防(fang)水(shui)長(chang)托(tuo)管(guan)(guan)(guan)(guan)(guan)，非(fei)(fei)(fei)(fei)(fei)開(kai)(kai)挖(wa)(wa)頂拉(la)管(guan)(guan)(guan)(guan)(guan)鋪(pu)設排(pai)(pai)水(shui)施(shi)(shi)工(gong)(gong)行(xing)業(ye)解(jie)決方案(an)，節省客戶(hu)成(cheng)本。歡(huan)迎新老客戶(hu)來電咨詢。

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