牽引(yin)(yin)(yin)(yin)管(guan)(guan)的(de)(de)(de)(de)施工前，要做好(hao)鉆(zhan)(zhan)(zhan)孔(kong)曲(qu)線(xian)設(she)計(ji)(ji)，根(gen)據(ju)(ju)檢查井位置、土質、埋深(shen)、管(guan)(guan)徑(jing)等合理確(que)定(ding)非(fei)開挖(wa)牽引(yin)(yin)(yin)(yin)管(guan)(guan)一次牽引(yin)(yin)(yin)(yin)的(de)(de)(de)(de)長(chang)度，選擇確(que)定(ding)水平(ping)導(dao)向(xiang)鉆(zhan)(zhan)(zhan)機機型(xing)并預先(xian)做好(hao)現場圍(wei)護(hu)。 根(gen)據(ju)(ju)每個非(fei)開挖(wa)牽引(yin)(yin)(yin)(yin)管(guan)(guan)施工段，預先(xian)進行(xing)鉆(zhan)(zhan)(zhan)孔(kong)曲(qu)線(xian)設(she)計(ji)(ji)，設(she)計(ji)(ji)導(dao)向(xiang)孔(kong)要綜合考慮工程要求、地(di)層(ceng)條件、鉆(zhan)(zhan)(zhan)桿(gan)的(de)(de)(de)(de)較小(xiao)曲(qu)率(lv)半徑(jing)、施工場地(di)的(de)(de)(de)(de)條件、鋪設(she)深(shen)度及地(di)下埋設(she)物等多(duo)方面(mian)的(de)(de)(de)(de)因素，之后優化設(she)計(ji)(ji)出更佳(jia)的(de)(de)(de)(de)鉆(zhan)(zhan)(zhan)孔(kong)曲(qu)線(xian)，計(ji)(ji)算出每根(gen)鉆(zhan)(zhan)(zhan)桿(gan)的(de)(de)(de)(de)鉆(zhan)(zhan)(zhan)進角度。另(ling)外要做好(hao)測測量定(ding)位，根(gen)據(ju)(ju)設(she)計(ji)(ji)資料(liao)，對所有導(dao)線(xian)點和(he)水準(zhun)點進行(xing)復(fu)測，根(gen)據(ju)(ju)結(jie)果進行(xing)管(guan)(guan)道的(de)(de)(de)(de)放樣、原地(di)面(mian)的(de)(de)(de)(de)測量。牽引(yin)(yin)(yin)(yin)管(guan)(guan)從套管(guan)(guan)中牽引(yin)(yin)(yin)(yin)過去，以保證(zheng)管(guan)(guan)道和(he)鐵路、公路的(de)(de)(de)(de)安全(quan)。沈(shen)陽牽引(yin)(yin)(yin)(yin)管(guan)(guan)機械

頂(ding)(ding)(ding)管(guan)(guan)施(shi)(shi)工(gong)(gong)是當今非(fei)常(chang)盛行(xing)的(de)(de)(de)工(gong)(gong)程。頂(ding)(ding)(ding)管(guan)(guan)施(shi)(shi)工(gong)(gong)是指利用巖土導(dao)向(xiang)、定(ding)向(xiang)綁扎等芯(xin)眼，在外(wai)表不(bu)開(kai)槽的(de)(de)(de)情(qing)(qing)況(kuang)(kuang)下，鋪設(she)(she)、替換或(huo)修復各種(zhong)專(zhuan)門(men)管(guan)(guan)道(dao)。頂(ding)(ding)(ding)管(guan)(guan)施(shi)(shi)工(gong)(gong)人(ren)(ren)員(yuan)的(de)(de)(de)素質是確(que)(que)保(bao)非(fei)開(kai)孔工(gong)(gong)程質量(liang)的(de)(de)(de)又一要求，很(hen)難通過土方(fang)設(she)(she)備(bei)。雖然留傳設(she)(she)備(bei)也能結束(shu)工(gong)(gong)程，但工(gong)(gong)程質量(liang)和(he)頻率有待進步。施(shi)(shi)工(gong)(gong)人(ren)(ren)員(yuan)還應通過嚴峻的(de)(de)(de)培訓掌(zhang)握土方(fang)技術，確(que)(que)保(bao)施(shi)(shi)工(gong)(gong)順(shun)利進行(xing)，并在人(ren)(ren)工(gong)(gong)頂(ding)(ding)(ding)管(guan)(guan)作業(ye)的(de)(de)(de)情(qing)(qing)況(kuang)(kuang)下，緊迫監測管(guan)(guan)道(dao)內(nei)有毒氣(qi)體(ti)的(de)(de)(de)產油情(qing)(qing)況(kuang)(kuang)，以(yi)確(que)(que)保(bao)施(shi)(shi)工(gong)(gong)順(shun)利進行(xing)。簡(jian)化通風設(she)(she)備(bei)。提前對異(yi)常(chang)管(guan)(guan)道(dao)進行(xing)一次(ci)公開(kai)的(de)(de)(de)暗(an)訪。雖然上游的(de)(de)(de)頂(ding)(ding)(ding)管(guan)(guan)設(she)(she)備(bei)具(ju)備(bei)在桿(gan)頭之日對離閘門(men)不(bu)遠的(de)(de)(de)管(guan)(guan)道(dao)進行(xing)公開(kai)暗(an)訪的(de)(de)(de)能力，但確(que)(que)保(bao)所(suo)有人(ren)(ren)的(de)(de)(de)日常(chang)生活仍(reng)然必(bi)不(bu)可少。沈陽牽引(yin)管(guan)(guan)機械牽引(yin)管(guan)(guan)工(gong)(gong)程十管(guan)(guan)連接(jie)作業(ye)時須在其下方(fang)搭設(she)(she)支(zhi)架，以(yi)達到固(gu)定(ding)干管(guan)(guan)的(de)(de)(de)效果。

非(fei)開(kai)(kai)挖牽引(yin)管(guan)技術可突破傳統方(fang)式的(de)(de)(de)(de)束縛(fu)，改變直(zhi)(zhi)接(jie)挖坑填(tian)埋(mai)管(guan)道的(de)(de)(de)(de)局(ju)限性，施(shi)(shi)工(gong)(gong)效(xiao)率與質量得到保(bao)(bao)障，所(suo)需(xu)成(cheng)本隨之減少(shao)。該技術的(de)(de)(de)(de)突出(chu)特點(dian)在(zai)于(yu)預先(xian)設(she)定科學的(de)(de)(de)(de)線(xian)路，以(yi)此(ci)為(wei)指(zhi)導順利展開(kai)(kai)各環(huan)節施(shi)(shi)工(gong)(gong)作(zuo)(zuo)(zuo)業，鉆出(chu)孔(kong)(kong)洞(dong)后(hou)經回擴的(de)(de)(de)(de)方(fang)式完(wan)成(cheng)管(guan)材的(de)(de)(de)(de)埋(mai)設(she)作(zuo)(zuo)(zuo)業，整(zheng)個(ge)施(shi)(shi)工(gong)(gong)過(guo)程中附(fu)著物得到有效(xiao)保(bao)(bao)護，環(huan)保(bao)(bao)效(xiao)益也(ye)更為(wei)良好(hao)。非(fei)開(kai)(kai)挖首先(xian)需(xu)要(yao)進(jin)(jin)(jin)行(xing)(xing)(xing)技術準備(bei)，其(qi)主要(yao)包括對(dui)地(di)(di)下管(guan)線(xian)使用現狀的(de)(de)(de)(de)勘察，以(yi)準確地(di)(di)掌握管(guan)線(xian)及(ji)其(qi)他基(ji)礎設(she)施(shi)(shi)的(de)(de)(de)(de)分布情況(kuang)；按照施(shi)(shi)工(gong)(gong)區域的(de)(de)(de)(de)地(di)(di)形、路線(xian)定出(chu)鉆孔(kong)(kong)軸線(xian)，進(jin)(jin)(jin)行(xing)(xing)(xing)區域地(di)(di)形地(di)(di)貌的(de)(de)(de)(de)勘測與測量；對(dui)需(xu)鉆孔(kong)(kong)的(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)區域進(jin)(jin)(jin)行(xing)(xing)(xing)地(di)(di)層(ceng)地(di)(di)質的(de)(de)(de)(de)現場(chang)勘查。再是(shi)進(jin)(jin)(jin)行(xing)(xing)(xing)施(shi)(shi)工(gong)(gong)場(chang)地(di)(di)的(de)(de)(de)(de)準備(bei)，對(dui)施(shi)(shi)工(gong)(gong)場(chang)地(di)(di)進(jin)(jin)(jin)行(xing)(xing)(xing)機械(xie)、機具(ju)等安裝于(yu)堆放；開(kai)(kai)挖入射作(zuo)(zuo)(zuo)業坑，做(zuo)好(hao)支護與降(jiang)水工(gong)(gong)作(zuo)(zuo)(zuo)；進(jin)(jin)(jin)行(xing)(xing)(xing)施(shi)(shi)工(gong)(gong)機械(xie)進(jin)(jin)(jin)場(chang)工(gong)(gong)作(zuo)(zuo)(zuo)及(ji)安裝；借助導航(hang)儀進(jin)(jin)(jin)行(xing)(xing)(xing)探頭(tou)導向的(de)(de)(de)(de)開(kai)(kai)展。較后(hou)是(shi)進(jin)(jin)(jin)行(xing)(xing)(xing)以(yi)開(kai)(kai)孔(kong)(kong)、造斜鉆進(jin)(jin)(jin)、保(bao)(bao)直(zhi)(zhi)鉆進(jin)(jin)(jin)為(wei)主的(de)(de)(de)(de)導向施(shi)(shi)工(gong)(gong)及(ji)包含孔(kong)(kong)徑設(she)計、分級擴孔(kong)(kong)、孔(kong)(kong)壁加固(gu)、回拉敷管(guan)的(de)(de)(de)(de)回拉擴孔(kong)(kong)的(de)(de)(de)(de)兩個(ge)施(shi)(shi)工(gong)(gong)步(bu)驟。

對(dui)于(yu)從事地(di)(di)下(xia)頂管(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)人員來說(shuo)，他們對(dui)非(fei)開(kai)挖(wa)頂管(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)技能有了解，讓我們來了解地(di)(di)下(xia)頂管(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)工(gong)(gong)程需要(yao)什么(me)樣的(de)技能準備。對(dui)于(yu)從事地(di)(di)下(xia)頂管(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)人員，有必要(yao)閱覽(lan)施(shi)工(gong)(gong)步驟(zou)和(he)施(shi)工(gong)(gong)圖(tu)紙(zhi)，并依(yi)據(ju)管(guan)(guan)(guan)(guan)(guan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)道的(de)尺寸確(que)認標準。然(ran)后，依(yi)據(ju)數據(ju)和(he)其他相(xiang)關(guan)信息(xi)，經過一些規劃軟件路(lu)線(xian)(xian)圖(tu)，以便對(dui)整個(ge)非(fei)開(kai)挖(wa)頂管(guan)(guan)(guan)(guan)(guan)項目有更具(ju)體(ti)的(de)了解，從而使(shi)項目中(zhong)不出(chu)現過錯。施(shi)工(gong)(gong)前(qian)應到(dao)(dao)現場(chang)調查，平(ping)坦施(shi)工(gong)(gong)區域，使(shi)其有足夠的(de)施(shi)工(gong)(gong)空間(jian)和(he)承(cheng)載力(li)。在(zai)(zai)鉆孔途徑處挖(wa)掘(jue)工(gong)(gong)作(zuo)斜(xie)槽(cao)，然(ran)后連接排(pai)水管(guan)(guan)(guan)(guan)(guan)線(xian)(xian)。調查地(di)(di)下(xia)管(guan)(guan)(guan)(guan)(guan)線(xian)(xian)的(de)狀(zhuang)況，也可用作(zuo)泥(ni)漿的(de)排(pai)放點和(he)搜集(ji)點。依(yi)據(ju)施(shi)工(gong)(gong)現場(chang)狀(zhuang)況，非(fei)開(kai)挖(wa)頂管(guan)(guan)(guan)(guan)(guan)工(gong)(gong)程所需管(guan)(guan)(guan)(guan)(guan)線(xian)(xian)按回路(lu)阻力(li)點放出(chu)，并設(she)置(zhi)(zhi)管(guan)(guan)(guan)(guan)(guan)塞和(he)接頭。其次，準備好施(shi)工(gong)(gong)設(she)備，確(que)保(bao)地(di)(di)下(xia)頂管(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)要(yao)求，功能安穩。依(yi)據(ju)施(shi)工(gong)(gong)圖(tu)紙(zhi)，確(que)認管(guan)(guan)(guan)(guan)(guan)道穿(chuan)越位置(zhi)(zhi)和(he)穿(chuan)越入口點位置(zhi)(zhi)，在(zai)(zai)施(shi)工(gong)(gong)現場(chang)標出(chu)管(guan)(guan)(guan)(guan)(guan)道穿(chuan)越途徑，并標出(chu)地(di)(di)面自然(ran)標高。非(fei)開(kai)挖(wa)牽引管(guan)(guan)(guan)(guan)(guan)施(shi)工(gong)(gong)效率與(yu)質量得到(dao)(dao)保(bao)障，所需成本(ben)隨之(zhi)減少。

頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)施(shi)(shi)工管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)失(shi)穩(wen)(wen)的(de)(de)(de)(de)發(fa)生緣由：（1）地質條件影(ying)響。從(cong)失(shi)穩(wen)(wen)原理剖析可看出，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)四周(zhou)土(tu)體承載力(li)(li)和土(tu)壓力(li)(li)關于(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)施(shi)(shi)工至(zhi)關重要，由于(yu)頂(ding)進進程中難免發(fa)作(zuo)軸線偏(pian)移景象。若管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)四周(zhou)的(de)(de)(de)(de)土(tu)體可以(yi)提供較大的(de)(de)(de)(de)作(zuo)用反力(li)(li)，則管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)不(bu)易發(fa)作(zuo)較大偏(pian)移和失(shi)穩(wen)(wen)；若四周(zhou)土(tu)體屬(shu)于(yu)脆弱土(tu)質或(huo)(huo)不(bu)平均土(tu)質，則管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)很容易因(yin)四周(zhou)均衡(heng)側向(xiang)分(fen)(fen)力(li)(li)的(de)(de)(de)(de)承載能力(li)(li)缺乏(fa)(fa)形(xing)成(cheng)失(shi)穩(wen)(wen)。同時(shi)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)上方的(de)(de)(de)(de)覆蓋層過薄也很容易因(yin)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)頂(ding)士(shi)壓力(li)(li)缺乏(fa)(fa)形(xing)成(cheng)失(shi)穩(wen)(wen)，較罕見的(de)(de)(de)(de)是管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)軸線向(xiang)上彎曲(qu)和管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)兩頭(tou)鼓肚(du)景象。（2）施(shi)(shi)工質量(liang)影(ying)響。依據管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)曲(qu)率與側向(xiang)分(fen)(fen)力(li)(li)之間的(de)(de)(de)(de)循(xun)環(huan)關系可知，若因(yin)頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)施(shi)(shi)工糾偏(pian)或(huo)(huo)糾扭不(bu)及時(shi)和不(bu)到位形(xing)成(cheng)偏(pian)移量(liang)增(zeng)大，將招致管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)失(shi)穩(wen)(wen)，這對施(shi)(shi)工進度(du)(du)將帶(dai)來不(bu)小的(de)(de)(de)(de)影(ying)響。（3）頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)設備緣由。頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)設備在頂(ding)進進程中，若呈現與管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)聯合不(bu)穩(wen)(wen)固或(huo)(huo)許剛(gang)度(du)(du)缺乏(fa)(fa)，都有能夠(gou)形(xing)成(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)失(shi)穩(wen)(wen)。頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)法是使用作(zuo)業坑內(nei)頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)設備產生的(de)(de)(de)(de)頂(ding)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)力(li)(li)，戰勝管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)與周(zhou)圍(wei)土(tu)壤之間的(de)(de)(de)(de)摩擦，按設計坡度(du)(du)將管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)推(tui)入(ru)土(tu)壤中。河北pe牽引管(guan)(guan)(guan)(guan)(guan)(guan)(guan)

在諸如鐵路、工民建等區(qu)域(yu)的管(guan)道(dao)施工中(zhong)，采取非開(kai)挖牽引管(guan)技術具有(you)較(jiao)高可行性。沈陽牽引管(guan)機械

機(ji)(ji)器人非開挖牽引(yin)管(guan)(guan)(guan)道(dao)修(xiu)復技術種類： 隨著(zhu)城市化進(jin)(jin)程的(de)(de)加(jia)(jia)快的(de)(de)，牽引(yin)管(guan)(guan)(guan)道(dao)的(de)(de)建設逐年(nian)增加(jia)(jia)，城市地下管(guan)(guan)(guan)網(wang)的(de)(de)規模不斷擴大(da)(da)。然而從牽引(yin)管(guan)(guan)(guan)道(dao)建設和(he)運(yun)行(xing)調(diao)研結果看，除(chu)了建設時(shi)間較(jiao)(jiao)早、使(shi)用時(shi)間較(jiao)(jiao)長的(de)(de)管(guan)(guan)(guan)道(dao)出(chu)(chu)(chu)現(xian)(xian)損(sun)(sun)壞(huai)外，一(yi)些(xie)新建管(guan)(guan)(guan)道(dao)由于局部地質條件(jian)(jian)較(jiao)(jiao)差等(deng)(deng)原因(yin)(yin)而出(chu)(chu)(chu)現(xian)(xian)結構性和(he)功能性損(sun)(sun)壞(huai)現(xian)(xian)象(xiang)，同時(shi)，在建工程對(dui)周邊已建牽引(yin)管(guan)(guan)(guan)道(dao)造成影響(xiang)甚至損(sun)(sun)壞(huai)的(de)(de)情況也常(chang)常(chang)發生。特別是較(jiao)(jiao)大(da)(da)口(kou)徑地下牽引(yin)管(guan)(guan)(guan)道(dao)多為(wei)分節(jie)組(zu)合鋪設，投用之后因(yin)(yin)受(shou)自然環境(jing)、水力(li)條件(jian)(jian)以及(ji)上層(ceng)壓力(li)變(bian)化等(deng)(deng)原因(yin)(yin)，使(shi)管(guan)(guan)(guan)道(dao)接(jie)口(kou)部位(wei)(wei)出(chu)(chu)(chu)現(xian)(xian)變(bian)形產生裂縫、管(guan)(guan)(guan)接(jie)頭錯位(wei)(wei)、下沉(chen)等(deng)(deng)現(xian)(xian)象(xiang)，使(shi)地下水及(ji)地下水夾(jia)帶(dai)著(zhu)管(guan)(guan)(guan)道(dao)四(si)周的(de)(de)土體和(he)泥砂涌入管(guan)(guan)(guan)內，隨污水流走(zou)，長此以往(wang)造成惡(e)性循(xun)環，之后導(dao)致地面建筑物(wu)和(he)路面的(de)(de)下沉(chen)破壞(huai)。為(wei)避免危害發生，必須對(dui)出(chu)(chu)(chu)現(xian)(xian)上述問題的(de)(de)管(guan)(guan)(guan)道(dao)及(ji)時(shi)進(jin)(jin)行(xing)修(xiu)復以保證(zheng)污水、雨水正常(chang)排放及(ji)道(dao)路交(jiao)通安(an)全(quan)。沈陽牽引(yin)管(guan)(guan)(guan)機(ji)(ji)械

江陰市澄暢管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)工(gong)(gong)(gong)(gong)(gong)程有(you)限(xian)公(gong)司(si)成(cheng)(cheng)(cheng)立于2018-03-29，位于鄭(zheng)涇(jing)路196號(hao)，公(gong)司(si)自成(cheng)(cheng)(cheng)立以來(lai)(lai)通(tong)過規范(fan)化(hua)運(yun)營和高質量服(fu)務(wu)，贏得了客(ke)戶(hu)及(ji)社會的(de)(de)(de)(de)一致認可和好(hao)評。公(gong)司(si)主(zhu)要(yao)產(chan)品(pin)有(you)315PE燃氣管(guan)(guan)(guan)(guan)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，560PE污水(shui)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，110電(dian)(dian)信管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，MPP電(dian)(dian)力(li)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)等(deng)，公(gong)司(si)工(gong)(gong)(gong)(gong)(gong)程技術人員、行政管(guan)(guan)(guan)(guan)理(li)人員、產(chan)品(pin)制造及(ji)售(shou)(shou)后(hou)服(fu)務(wu)人員均有(you)多年(nian)行業經驗。并與(yu)上下游企業保持密切的(de)(de)(de)(de)合作關(guan)系。依托成(cheng)(cheng)(cheng)熟的(de)(de)(de)(de)產(chan)品(pin)資源(yuan)和渠道(dao)(dao)(dao)資源(yuan)，向(xiang)全國生產(chan)、銷售(shou)(shou)315PE燃氣管(guan)(guan)(guan)(guan)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，560PE污水(shui)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，110電(dian)(dian)信管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，MPP電(dian)(dian)力(li)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)產(chan)品(pin)，經過多年(nian)的(de)(de)(de)(de)沉淀(dian)和發(fa)展已經形成(cheng)(cheng)(cheng)了科學的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)理(li)制度(du)、豐富的(de)(de)(de)(de)產(chan)品(pin)類型(xing)。我(wo)們本(ben)著客(ke)戶(hu)滿意的(de)(de)(de)(de)原則為(wei)客(ke)戶(hu)提供315PE燃氣管(guan)(guan)(guan)(guan)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，560PE污水(shui)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，110電(dian)(dian)信管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)，MPP電(dian)(dian)力(li)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)產(chan)品(pin)售(shou)(shou)前服(fu)務(wu)，為(wei)客(ke)戶(hu)提供周到(dao)的(de)(de)(de)(de)售(shou)(shou)后(hou)服(fu)務(wu)。價格(ge)低廉優惠，服(fu)務(wu)周到(dao)，歡迎您的(de)(de)(de)(de)來(lai)(lai)電(dian)(dian)！

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