上海僉言環保(bao)工(gong)程有(you)限公司針對管(guan)(guan)(guan)(guan)(guan)道(dao)修(xiu)(xiu)(xiu)復(fu)(fu)(fu)、管(guan)(guan)(guan)(guan)(guan)道(dao)檢(jian)(jian)測(ce)有(you)專業的施(shi)工(gong)技術(shu)和豐富的經(jing)驗。管(guan)(guan)(guan)(guan)(guan)道(dao)修(xiu)(xiu)(xiu)復(fu)(fu)(fu)的順序有(you)哪(na)些？1、排(pai)查管(guan)(guan)(guan)(guan)(guan)道(dao)排(pai)水(shui)(shui)(shui)問(wen)題，解決管(guan)(guan)(guan)(guan)(guan)道(dao)缺(que)(que)損(sun)(sun)(sun)問(wen)題。先到現(xian)(xian)場勘查管(guan)(guan)(guan)(guan)(guan)線情況，從(cong)管(guan)(guan)(guan)(guan)(guan)道(dao)源(yuan)頭往雨(yu)污水(shui)(shui)(shui)總出口方向一(yi)路排(pai)查，結合圖紙更精細(xi)高效的排(pai)查，了解管(guan)(guan)(guan)(guan)(guan)道(dao)的走(zou)向水(shui)(shui)(shui)流方向，管(guan)(guan)(guan)(guan)(guan)道(dao)的管(guan)(guan)(guan)(guan)(guan)徑大小和管(guan)(guan)(guan)(guan)(guan)道(dao)材(cai)質；2、采用高壓清洗(xi)工(gong)程車對管(guan)(guan)(guan)(guan)(guan)道(dao)進(jin)行高壓沖洗(xi)，將(jiang)(jiang)管(guan)(guan)(guan)(guan)(guan)道(dao)內(nei)的垃圾和泥沙清洗(xi)至窨(yin)井(jing)內(nei)，人(ren)工(gong)打撈起(qi)(qi)來，每段管(guan)(guan)(guan)(guan)(guan)道(dao)清洗(xi)三遍為(wei)佳，直至管(guan)(guan)(guan)(guan)(guan)道(dao)清洗(xi)干凈；3、采用專業的管(guan)(guan)(guan)(guan)(guan)道(dao)檢(jian)(jian)測(ce)設備，CCTV機器人(ren)和QV潛望鏡設備對管(guan)(guan)(guan)(guan)(guan)道(dao)進(jin)行檢(jian)(jian)測(ce)和錄(lu)像，將(jiang)(jiang)機器人(ren)用電腦(nao)操控(kong)進(jin)入(ru)管(guan)(guan)(guan)(guan)(guan)道(dao)內(nei)，機器人(ren)一(yi)邊爬行一(yi)邊錄(lu)像，發現(xian)(xian)有(you)破(po)損(sun)(sun)(sun)缺(que)(que)陷(xian)(xian)的地(di)方定(ding)(ding)(ding)點拍照錄(lu)像，操作員記錄(lu)好缺(que)(que)陷(xian)(xian)的米數位(wei)置，從(cong)機器人(ren)下井(jing)處作為(wei)起(qi)(qi)始位(wei)置，到管(guan)(guan)(guan)(guan)(guan)道(dao)缺(que)(que)陷(xian)(xian)處的具(ju)體米數登(deng)記好，以利(li)于修(xiu)(xiu)(xiu)復(fu)(fu)(fu)使用；4、確定(ding)(ding)(ding)好管(guan)(guan)(guan)(guan)(guan)道(dao)具(ju)體破(po)損(sun)(sun)(sun)的位(wei)置后(hou)，利(li)用修(xiu)(xiu)(xiu)復(fu)(fu)(fu)工(gong)具(ju)做(zuo)好標記，然(ran)后(hou)準備好膠水(shui)(shui)(shui)和樹(shu)脂等修(xiu)(xiu)(xiu)復(fu)(fu)(fu)材(cai)料，以及(ji)高壓修(xiu)(xiu)(xiu)復(fu)(fu)(fu)氣囊(nang)，結合機器人(ren)，將(jiang)(jiang)修(xiu)(xiu)(xiu)復(fu)(fu)(fu)材(cai)料固定(ding)(ding)(ding)在氣囊(nang)上，一(yi)起(qi)(qi)進(jin)入(ru)管(guan)(guan)(guan)(guan)(guan)道(dao)，將(jiang)(jiang)氣囊(nang)拉(la)至做(zuo)好的標記處，前(qian)后(hou)具(ju)離誤差不超過十公分。然(ran)后(hou)將(jiang)(jiang)氣囊(nang)加(jia)壓，使修(xiu)(xiu)(xiu)復(fu)(fu)(fu)材(cai)料與(yu)管(guan)(guan)(guan)(guan)(guan)道(dao)內(nei)壁(bi)完全(quan)貼(tie)合，等到45分鐘后(hou)修(xiu)(xiu)(xiu)復(fu)(fu)(fu)材(cai)料完全(quan)干透即可將(jiang)(jiang)氣囊(nang)脫出管(guan)(guan)(guan)(guan)(guan)道(dao)，這樣，一(yi)個點位(wei)的管(guan)(guan)(guan)(guan)(guan)道(dao)修(xiu)(xiu)(xiu)復(fu)(fu)(fu)工(gong)作結束。市政雨(yu)污水(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)道(dao)管(guan)(guan)(guan)(guan)(guan)網高壓清洗(xi)！小區管(guan)(guan)(guan)(guan)(guan)道(dao)高壓疏通

管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)檢(jian)(jian)查(cha)有(you)(you)哪些方法？直接視(shi)覺(jue)檢(jian)(jian)查(cha)：通(tong)(tong)(tong)(tong)過(guo)肉眼觀(guan)察管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)表面(mian)是(shi)否(fou)(fou)(fou)(fou)有(you)(you)裂(lie)縫、腐蝕、變形等問(wen)題(ti)。聲波檢(jian)(jian)測(ce)(ce)(ce)：利用(yong)聲波檢(jian)(jian)測(ce)(ce)(ce)儀(yi)器(qi)對管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)進(jin)行(xing)(xing)檢(jian)(jian)測(ce)(ce)(ce)，通(tong)(tong)(tong)(tong)過(guo)聲波反射(she)(she)的強度和時間(jian)來判斷管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)是(shi)否(fou)(fou)(fou)(fou)存(cun)在問(wen)題(ti)。磁(ci)(ci)粉檢(jian)(jian)測(ce)(ce)(ce)：將磁(ci)(ci)粉涂(tu)在管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)表面(mian)，通(tong)(tong)(tong)(tong)過(guo)磁(ci)(ci)場作用(yong)下的磁(ci)(ci)粉分布情況(kuang)(kuang)(kuang)來判斷管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)是(shi)否(fou)(fou)(fou)(fou)存(cun)在裂(lie)縫、裂(lie)紋等問(wen)題(ti)。超聲波檢(jian)(jian)測(ce)(ce)(ce)：利用(yong)超聲波檢(jian)(jian)測(ce)(ce)(ce)儀(yi)器(qi)對管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)進(jin)行(xing)(xing)檢(jian)(jian)測(ce)(ce)(ce)，通(tong)(tong)(tong)(tong)過(guo)超聲波的反射(she)(she)和傳播情況(kuang)(kuang)(kuang)來判斷管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)是(shi)否(fou)(fou)(fou)(fou)存(cun)在問(wen)題(ti)。射(she)(she)線(xian)(xian)檢(jian)(jian)測(ce)(ce)(ce)：利用(yong)射(she)(she)線(xian)(xian)檢(jian)(jian)測(ce)(ce)(ce)儀(yi)器(qi)對管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)進(jin)行(xing)(xing)檢(jian)(jian)測(ce)(ce)(ce)，通(tong)(tong)(tong)(tong)過(guo)射(she)(she)線(xian)(xian)的透(tou)射(she)(she)情況(kuang)(kuang)(kuang)來判斷管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)是(shi)否(fou)(fou)(fou)(fou)存(cun)在問(wen)題(ti)。管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)內(nei)部(bu)檢(jian)(jian)測(ce)(ce)(ce)：通(tong)(tong)(tong)(tong)過(guo)將檢(jian)(jian)測(ce)(ce)(ce)器(qi)具放入管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)內(nei)部(bu)進(jin)行(xing)(xing)檢(jian)(jian)測(ce)(ce)(ce)，可以檢(jian)(jian)測(ce)(ce)(ce)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)內(nei)部(bu)是(shi)否(fou)(fou)(fou)(fou)存(cun)在問(wen)題(ti)。復制商(shang)場管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)清洗家庭廚房下水管(guan)(guan)(guan)(guan)(guan)疏通(tong)(tong)(tong)(tong)，定期疏通(tong)(tong)(tong)(tong)維保！

如何做好管(guan)道(dao)(dao)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)服(fu)務？1.準(zhun)備(bei)好必要(yao)的(de)(de)(de)工具和(he)(he)(he)設備(bei)：清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)機、高(gao)壓水槍、吸塵器、手(shou)套、口罩、防護服(fu)等(deng)。2.了(le)解(jie)管(guan)道(dao)(dao)的(de)(de)(de)結構和(he)(he)(he)特點：不同類型(xing)的(de)(de)(de)管(guan)道(dao)(dao)有(you)不同的(de)(de)(de)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)方(fang)法和(he)(he)(he)注(zhu)意事項，需(xu)要(yao)根據實際(ji)情(qing)(qing)況進(jin)(jin)行選(xuan)擇(ze)。3.制(zhi)定(ding)(ding)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)計劃：根據管(guan)道(dao)(dao)的(de)(de)(de)使用(yong)情(qing)(qing)況和(he)(he)(he)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)周期，制(zhi)定(ding)(ding)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)計劃，確保清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)工作的(de)(de)(de)及時性(xing)和(he)(he)(he)有(you)效性(xing)。4.進(jin)(jin)行現(xian)場勘(kan)察：在(zai)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)前，需(xu)要(yao)對管(guan)道(dao)(dao)進(jin)(jin)行現(xian)場勘(kan)察，了(le)解(jie)管(guan)道(dao)(dao)的(de)(de)(de)情(qing)(qing)況和(he)(he)(he)存在(zai)的(de)(de)(de)問(wen)題，以便制(zhi)定(ding)(ding)更加詳細的(de)(de)(de)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)方(fang)案。5.選(xuan)擇(ze)合適的(de)(de)(de)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)方(fang)法：根據管(guan)道(dao)(dao)的(de)(de)(de)特點和(he)(he)(he)問(wen)題，選(xuan)擇(ze)合適的(de)(de)(de)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)方(fang)法，如高(gao)壓水沖洗(xi)(xi)(xi)(xi)、化(hua)學(xue)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)、機械清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)等(deng)。6.進(jin)(jin)行清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)操(cao)作：根據清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)方(fang)案和(he)(he)(he)方(fang)法，進(jin)(jin)行清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)操(cao)作，注(zhu)意安全和(he)(he)(he)環保。7.檢查(cha)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效果：清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)完成(cheng)后，需(xu)要(yao)對管(guan)道(dao)(dao)進(jin)(jin)行檢查(cha)，確保清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效果達到要(yao)求。8.記(ji)錄清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)情(qing)(qing)況：對清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)過(guo)程(cheng)和(he)(he)(he)效果進(jin)(jin)行記(ji)錄，以便下次清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)時參考。

管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)有(you)哪些需(xu)要(yao)注意(yi)的事項？1.安(an)全問題(ti)：在進行(xing)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)時(shi)，需(xu)要(yao)注意(yi)安(an)全問題(ti)，避免(mian)發生意(yi)外事故(gu)。清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)時(shi)需(xu)要(yao)佩(pei)戴防護(hu)手套、口罩、護(hu)目鏡等防護(hu)用品(pin)，避免(mian)化學藥品(pin)對皮膚和呼吸系(xi)統的傷害。2.選擇(ze)(ze)合適(shi)的清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)劑(ji)：不同的管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)劑(ji)適(shi)用于不同的管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)材質和清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)對象。選擇(ze)(ze)合適(shi)的清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)劑(ji)可以提高清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)效果，避免(mian)對管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)造成(cheng)損害。3.清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)時(shi)間(jian)(jian)：清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)時(shi)間(jian)(jian)需(xu)要(yao)根據管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)的污垢程(cheng)度(du)和管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)長(chang)度(du)來確(que)定(ding)。過短的清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)時(shi)間(jian)(jian)會導(dao)致清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)效果不佳(jia)，過長(chang)的清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)時(shi)間(jian)(jian)則會浪費資源和時(shi)間(jian)(jian)。小(xiao)區、園區內污水管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)高壓清(qing)(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)(xi)疏通，定(ding)期維護(hu)保養(yang)！

使(shi)用(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)道(dao)疏通器(qi)(qi)(qi)(qi)：管(guan)(guan)(guan)(guan)道(dao)疏通器(qi)(qi)(qi)(qi)是(shi)一種專門用(yong)(yong)(yong)(yong)于疏通管(guan)(guan)(guan)(guan)道(dao)的(de)(de)工(gong)具(ju)，可(ke)以(yi)通過旋轉和推(tui)(tui)動來清(qing)(qing)(qing)理管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)的(de)(de)堵(du)(du)(du)(du)(du)塞物(wu)。使(shi)用(yong)(yong)(yong)(yong)時，將(jiang)疏通器(qi)(qi)(qi)(qi)插入(ru)管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)，旋轉并推(tui)(tui)動，直到堵(du)(du)(du)(du)(du)塞物(wu)被清(qing)(qing)(qing)理。使(shi)用(yong)(yong)(yong)(yong)化學清(qing)(qing)(qing)潔(jie)劑：化學清(qing)(qing)(qing)潔(jie)劑可(ke)以(yi)通過化學反應(ying)來分解管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)的(de)(de)堵(du)(du)(du)(du)(du)塞物(wu)，使(shi)其變得(de)容易流(liu)動。使(shi)用(yong)(yong)(yong)(yong)時，將(jiang)清(qing)(qing)(qing)潔(jie)劑倒入(ru)管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)，等待(dai)一段(duan)時間后，用(yong)(yong)(yong)(yong)水(shui)(shui)沖洗(xi)管(guan)(guan)(guan)(guan)道(dao)。使(shi)用(yong)(yong)(yong)(yong)高壓(ya)(ya)水(shui)(shui)槍(qiang)：高壓(ya)(ya)水(shui)(shui)槍(qiang)可(ke)以(yi)通過高壓(ya)(ya)水(shui)(shui)流(liu)來清(qing)(qing)(qing)理管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)的(de)(de)堵(du)(du)(du)(du)(du)塞物(wu)。使(shi)用(yong)(yong)(yong)(yong)時，將(jiang)水(shui)(shui)槍(qiang)插入(ru)管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)，打開水(shui)(shui)源，用(yong)(yong)(yong)(yong)高壓(ya)(ya)水(shui)(shui)流(liu)沖洗(xi)管(guan)(guan)(guan)(guan)道(dao)。使(shi)用(yong)(yong)(yong)(yong)真(zhen)空吸塵(chen)器(qi)(qi)(qi)(qi)：真(zhen)空吸塵(chen)器(qi)(qi)(qi)(qi)可(ke)以(yi)通過吸力(li)來清(qing)(qing)(qing)理管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)的(de)(de)堵(du)(du)(du)(du)(du)塞物(wu)。使(shi)用(yong)(yong)(yong)(yong)時，將(jiang)吸塵(chen)器(qi)(qi)(qi)(qi)插入(ru)管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)，打開吸力(li)，吸取管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)的(de)(de)堵(du)(du)(du)(du)(du)塞物(wu)。使(shi)用(yong)(yong)(yong)(yong)手工(gong)工(gong)具(ju)：手工(gong)工(gong)具(ju)如鉗子、鐵絲等可(ke)以(yi)用(yong)(yong)(yong)(yong)來清(qing)(qing)(qing)理管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)的(de)(de)堵(du)(du)(du)(du)(du)塞物(wu)。使(shi)用(yong)(yong)(yong)(yong)時，將(jiang)工(gong)具(ju)插入(ru)管(guan)(guan)(guan)(guan)道(dao)中(zhong)(zhong)，用(yong)(yong)(yong)(yong)力(li)拉出(chu)堵(du)(du)(du)(du)(du)塞物(wu)。高架雨水(shui)(shui)管(guan)(guan)(guan)(guan)道(dao)清(qing)(qing)(qing)理，下水(shui)(shui)口垃圾清(qing)(qing)(qing)理，管(guan)(guan)(guan)(guan)道(dao)高壓(ya)(ya)沖洗(xi)，高架護欄高壓(ya)(ya)水(shui)(shui)沖洗(xi)！清(qing)(qing)(qing)洗(xi)清(qing)(qing)(qing)理管(guan)(guan)(guan)(guan)道(dao)

雨(yu)、污水(shui)管(guan)(guan)道(dao)檢測后發現管(guan)(guan)道(dao)內部存在缺損情況(kuang)，可以(yi)進行非開挖(wa)修(xiu)復管(guan)(guan)道(dao)，恢復管(guan)(guan)道(dao)排(pai)水(shui)功能！小區管(guan)(guan)道(dao)高壓疏通

管道疏(shu)通(tong)(tong)(tong)可(ke)(ke)(ke)以(yi)(yi)帶來以(yi)(yi)下便利：解決排(pai)水(shui)(shui)(shui)(shui)問(wen)題：管道疏(shu)通(tong)(tong)(tong)可(ke)(ke)(ke)以(yi)(yi)清理管道中的(de)(de)(de)堵塞物，保(bao)(bao)證城(cheng)市(shi)(shi)排(pai)水(shui)(shui)(shui)(shui)系統的(de)(de)(de)暢(chang)通(tong)(tong)(tong)，避(bi)(bi)免(mian)(mian)因排(pai)水(shui)(shui)(shui)(shui)不暢(chang)而引發的(de)(de)(de)水(shui)(shui)(shui)(shui)浸、污水(shui)(shui)(shui)(shui)倒灌等問(wen)題。保(bao)(bao)障(zhang)居民生活：管道疏(shu)通(tong)(tong)(tong)可(ke)(ke)(ke)以(yi)(yi)保(bao)(bao)障(zhang)居民生活用水(shui)(shui)(shui)(shui)的(de)(de)(de)暢(chang)通(tong)(tong)(tong)，避(bi)(bi)免(mian)(mian)因管道堵塞而導致的(de)(de)(de)水(shui)(shui)(shui)(shui)龍頭無水(shui)(shui)(shui)(shui)、馬桶(tong)不通(tong)(tong)(tong)等問(wen)題。提高城(cheng)市(shi)(shi)環境質量：管道疏(shu)通(tong)(tong)(tong)可(ke)(ke)(ke)以(yi)(yi)避(bi)(bi)免(mian)(mian)污水(shui)(shui)(shui)(shui)倒灌、水(shui)(shui)(shui)(shui)浸等問(wen)題，保(bao)(bao)持城(cheng)市(shi)(shi)環境的(de)(de)(de)清潔和(he)衛生。促進城(cheng)市(shi)(shi)經濟(ji)發展：管道疏(shu)通(tong)(tong)(tong)可(ke)(ke)(ke)以(yi)(yi)保(bao)(bao)障(zhang)城(cheng)市(shi)(shi)基礎設施的(de)(de)(de)正常運行(xing)，為城(cheng)市(shi)(shi)經濟(ji)發展提供保(bao)(bao)障(zhang)。小區(qu)管道高壓疏(shu)通(tong)(tong)(tong)

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