貴(gui)(gui)州合(he)縱(zong)達鋼結構(gou)有限責(ze)任公司推薦：跟(gen)(gen)管(guan)鉆(zhan)(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)施工(gong)辦法跟(gen)(gen)管(guan)鉆(zhan)(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)是將氣動DTH錘(chui)(chui)(chui)改為偏(pian)心(xin)鉆(zhan)(zhan)(zhan)(zhan)(zhan)具(ju)(ju)，增(zeng)加套管(guan)和(he)套管(guan)鞋。跟(gen)(gen)管(guan)鉆(zhan)(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)施工(gong)技術對鉆(zhan)(zhan)(zhan)(zhan)(zhan)機要(yao)求高，設備需要(yao)配備各種(zhong)鉆(zhan)(zhan)(zhan)(zhan)(zhan)具(ju)(ju)，不但很(hen)大程度(du)上影響成孔效率，而且容易發生鉆(zhan)(zhan)(zhan)(zhan)(zhan)井事故。施工(gong)中應(ying)注意的問題（1）在鉆(zhan)(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)過程中，由于鉆(zhan)(zhan)(zhan)(zhan)(zhan)具(ju)(ju)在重力作(zuo)用下向(xiang)下偏(pian)移，鉆(zhan)(zhan)(zhan)(zhan)(zhan)機會(hui)翹起，鉆(zhan)(zhan)(zhan)(zhan)(zhan)孔越長(chang)，這(zhe)種(zhong)現象(xiang)越明顯。因(yin)此，鉆(zhan)(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)就位的傾(qing)角(jiao)應(ying)小于設計傾(qing)角(jiao)。（2）偏(pian)心(xin)跟(gen)(gen)管(guan)鉆(zhan)(zhan)(zhan)(zhan)(zhan)具(ju)(ju)施工(gong)前，應(ying)逐(zhu)個檢查沖擊器(qi)、偏(pian)心(xin)錘(chui)(chui)(chui)、扶正器(qi)、套管(guan)鞋和(he)氣動DTH錘(chui)(chui)(chui)，使其正常工(gong)作(zuo)。偏(pian)心(xin)錘(chui)(chui)(chui)應(ying)能靈(ling)活轉動，連(lian)接(jie)銷和(he)鎖緊機構(gou)應(ying)牢固，鉆(zhan)(zhan)(zhan)(zhan)(zhan)桿(gan)(gan)與DTH錘(chui)(chui)(chui)和(he)偏(pian)心(xin)鉆(zhan)(zhan)(zhan)(zhan)(zhan)具(ju)(ju)的連(lian)接(jie)應(ying)可靠，套管(guan)和(he)套管(guan)鞋不應(ying)有裂紋(wen)。（3）用鉆(zhan)(zhan)(zhan)(zhan)(zhan)桿(gan)(gan)鉆(zhan)(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)時(shi)，確認鉆(zhan)(zhan)(zhan)(zhan)(zhan)頭(tou)接(jie)觸到礫石土層(ceng)后(hou)，先調頭(tou)，待正常后(hou)，再開風進(jin)(jin)(jin)行脈沖鉆(zhan)(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)。貴(gui)(gui)安新區跟(gen)(gen)管(guan)廠家——貴(gui)(gui)州合(he)縱(zong)達鋼結構(gou)有限責(ze)任公司。四川管(guan)規(gui)格

貴州(zhou)合(he)縱達(da)鋼結構(gou)有限責任公(gong)司(si)推(tui)薦：某(mou)高(gao)邊坡防護工程施工中,采用偏(pian)心跟管(guan)鉆進方法(fa),本段(duan)范(fan)圍內地勢陡(dou)峭(qiao),自然橫坡45°～60°,地形起伏很大,施工開挖揭露(lu)后發現巖體(ti)破碎(sui)(sui),出露(lu)的基(ji)巖為三疊系下統的砂(sha)巖夾泥(ni)巖,以砂(sha)巖為主,細粒(li)結構(gou),巖質(zhi)堅硬;泥(ni)巖為泥(ni)質(zhi)結構(gou),中、薄層(ceng)砂(sha)巖夾薄層(ceng)泥(ni)巖狀構(gou)造,局(ju)部夾中層(ceng)石灰巖,伴(ban)有小型溶槽。巖體(ti)受構(gou)造活動影(ying)響(xiang)嚴重(zhong),節(jie)理(li)裂(lie)隙非常發育,切割呈破碎(sui)(sui)狀,以風(feng)化巖為主,局(ju)部強風(feng)化呈碎(sui)(sui)石狀,巖體(ti)節(jie)理(li)裂(lie)隙發育,破碎(sui)(sui)呈塊狀,粒(li)徑約10～40ｃm。南明區注漿管(guan)批發價格(ge)息烽(feng)縣跟管(guan)廠家——貴州(zhou)合(he)縱達(da)鋼結構(gou)有限責任公(gong)司(si)。

貴州合縱達鋼(gang)結(jie)構有限責任公司(si)推(tui)薦：鋼(gang)花管(guan)(guan)的(de)(de)(de)(de)支護(hu)與排(pai)水(shui)的(de)(de)(de)(de)方法分(fen)(fen)布1工程地(di)(di)質(zhi)(zhi)勘(kan)察(cha)工程施(shi)工前首(shou)先要對(dui)(dui)該工程的(de)(de)(de)(de)地(di)(di)質(zhi)(zhi)情(qing)況(kuang)進行取樣勘(kan)探(tan)和(he)技術分(fen)(fen)析(xi)，得(de)出地(di)(di)質(zhi)(zhi)勘(kan)探(tan)與分(fen)(fen)析(xi)講演，確(que)定工程地(di)(di)段土體(ti)中(zhong)黏性土、粉沙土、破碎巖體(ti)等(deng)各類物質(zhi)(zhi)的(de)(de)(de)(de)大(da)(da)(da)體(ti)分(fen)(fen)布情(qing)況(kuang)及其性質(zhi)(zhi)。同時得(de)到該邊(bian)坡(po)地(di)(di)段的(de)(de)(de)(de)地(di)(di)下水(shui)位以及降(jiang)水(shui)量等(deng)數據(ju)，估(gu)算(suan)大(da)(da)(da)體(ti)的(de)(de)(de)(de)排(pai)水(shui)范圍和(he)排(pai)水(shui)量大(da)(da)(da)小，從(cong)而(er)確(que)定鋼(gang)花管(guan)(guan)用(yong)于排(pai)水(shui)部門的(de)(de)(de)(de)分(fen)(fen)布。2邊(bian)坡(po)的(de)(de)(de)(de)大(da)(da)(da)體(ti)修整為(wei)了便于各種技術的(de)(de)(de)(de)應用(yong)和(he)施(shi)工利便，在地(di)(di)質(zhi)(zhi)勘(kan)察(cha)與分(fen)(fen)析(xi)結(jie)束后，首(shou)先要對(dui)(dui)邊(bian)坡(po)進行一次大(da)(da)(da)體(ti)的(de)(de)(de)(de)修整。把過(guo)(guo)于凸(tu)起及凹陷(xian)處修平坡(po)面(mian)虛土，但(dan)不能過(guo)(guo)分(fen)(fen)整修，否則會影響邊(bian)坡(po)的(de)(de)(de)(de)不亂，只要不會對(dui)(dui)施(shi)工過(guo)(guo)于影響即可。

貴州合縱達鋼(gang)結構(gou)有限(xian)責任公司(si)(si)推薦(jian)：跟(gen)(gen)管(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)分為偏(pian)心(xin)(xin)(xin)跟(gen)(gen)管(guan)(guan)(guan)及同(tong)(tong)心(xin)(xin)(xin)跟(gen)(gen)管(guan)(guan)(guan)兩種方(fang)式，二(er)者在工(gong)(gong)藝原(yuan)(yuan)理(li)上有所不(bu)同(tong)(tong)。（1）偏(pian)心(xin)(xin)(xin)跟(gen)(gen)管(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)的(de)工(gong)(gong)作(zuo)(zuo)原(yuan)(yuan)理(li)正常鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)時(shi)，通(tong)(tong)過沖擊(ji)器的(de)振動沖擊(ji)作(zuo)(zuo)用，帶動偏(pian)心(xin)(xin)(xin)鉆(zhan)(zhan)(zhan)(zhan)具進(jin)(jin)(jin)行(xing)鉆(zhan)(zhan)(zhan)(zhan)孔(kong)(kong)(kong)(kong)(kong)(kong)，鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)時(shi)由于(yu)離心(xin)(xin)(xin)力及摩擦力的(de)作(zuo)(zuo)用，偏(pian)心(xin)(xin)(xin)輪朝(chao)外偏(pian)出從(cong)而達到擴(kuo)大(da)孔(kong)(kong)(kong)(kong)(kong)(kong)徑的(de)目的(de)，再通(tong)(tong)過穩桿器的(de)沖擊(ji)帶動套(tao)(tao)管(guan)(guan)(guan)跟(gen)(gen)進(jin)(jin)(jin)，鉆(zhan)(zhan)(zhan)(zhan)孔(kong)(kong)(kong)(kong)(kong)(kong)產生的(de)巖粉(fen)通(tong)(tong)過穩桿器上的(de)鍵(jian)槽(cao)(cao)吹出孔(kong)(kong)(kong)(kong)(kong)(kong)外。鉆(zhan)(zhan)(zhan)(zhan)孔(kong)(kong)(kong)(kong)(kong)(kong)結束后(hou)，通(tong)(tong)過反轉，使偏(pian)心(xin)(xin)(xin)輪收(shou)攏提(ti)(ti)出套(tao)(tao)管(guan)(guan)(guan)，套(tao)(tao)管(guan)(guan)(guan)留在孔(kong)(kong)(kong)(kong)(kong)(kong)內(nei)護壁而成孔(kong)(kong)(kong)(kong)(kong)(kong)。偏(pian)心(xin)(xin)(xin)跟(gen)(gen)管(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)宜在孔(kong)(kong)(kong)(kong)(kong)(kong)深(shen)(shen)40m以內(nei)且(qie)地層(ceng)中(zhong)(zhong)無較多較大(da)的(de)孤石時(shi)采用。（2）同(tong)(tong)心(xin)(xin)(xin)跟(gen)(gen)管(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)的(de)工(gong)(gong)作(zuo)(zuo)原(yuan)(yuan)理(li)通(tong)(tong)過中(zhong)(zhong)心(xin)(xin)(xin)鉆(zhan)(zhan)(zhan)(zhan)頭(tou)及套(tao)(tao)在中(zhong)(zhong)心(xin)(xin)(xin)鉆(zhan)(zhan)(zhan)(zhan)頭(tou)外的(de)同(tong)(tong)心(xin)(xin)(xin)套(tao)(tao)沖擊(ji)破碎巖石造孔(kong)(kong)(kong)(kong)(kong)(kong)，同(tong)(tong)時(shi)利(li)用同(tong)(tong)心(xin)(xin)(xin)套(tao)(tao)的(de)擴(kuo)孔(kong)(kong)(kong)(kong)(kong)(kong)作(zuo)(zuo)用將套(tao)(tao)管(guan)(guan)(guan)帶入孔(kong)(kong)(kong)(kong)(kong)(kong)內(nei)，同(tong)(tong)心(xin)(xin)(xin)套(tao)(tao)內(nei)設(she)鍵(jian)槽(cao)(cao)，到基巖后(hou)，中(zhong)(zhong)心(xin)(xin)(xin)鉆(zhan)(zhan)(zhan)(zhan)頭(tou)反轉通(tong)(tong)過同(tong)(tong)心(xin)(xin)(xin)套(tao)(tao)中(zhong)(zhong)退出。同(tong)(tong)心(xin)(xin)(xin)跟(gen)(gen)管(guan)(guan)(guan)能較好地解決偏(pian)心(xin)(xin)(xin)跟(gen)(gen)管(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)時(shi)因地質(zhi)條件(jian)復雜而造成的(de)卡鉆(zhan)(zhan)(zhan)(zhan)及孤石鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)問題，更加有利(li)于(yu)施工(gong)(gong)操作(zuo)(zuo)，提(ti)(ti)高鉆(zhan)(zhan)(zhan)(zhan)孔(kong)(kong)(kong)(kong)(kong)(kong)工(gong)(gong)效。同(tong)(tong)心(xin)(xin)(xin)跟(gen)(gen)管(guan)(guan)(guan)鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)宜在孔(kong)(kong)(kong)(kong)(kong)(kong)深(shen)(shen)超過40m且(qie)地層(ceng)中(zhong)(zhong)有較多較大(da)的(de)孤石時(shi)采用。跟(gen)(gen)管(guan)(guan)(guan)結束后(hou)換用常規鉆(zhan)(zhan)(zhan)(zhan)頭(tou)鉆(zhan)(zhan)(zhan)(zhan)至設(she)計(ji)孔(kong)(kong)(kong)(kong)(kong)(kong)深(shen)(shen)。黔南跟(gen)(gen)管(guan)(guan)(guan)廠家——貴州合縱達鋼(gang)結構(gou)有限(xian)責任公司(si)(si)。

壓入鋼(gang)(gang)(gang)管(guan)(guan)：鋼(gang)(gang)(gang)管(guan)(guan)間距應(ying)(ying)根(gen)據支(zhi)護要(yao)求(qiu)(如:防坍塌、控制建(構)筑(zhu)物變(bian)形等)予以確定(ding)，宜為300-500mm（你小腿長(chang)）。雙(shuang)向相鄰管(guan)(guan)棚的(de)搭接(jie)長(chang)度(du)(du)(du)(du)不(bu)小于3m。搭接(jie)長(chang)度(du)(du)(du)(du)：為增加管(guan)(guan)棚剛度(du)(du)(du)(du)，應(ying)(ying)根(gen)據需(xu)要(yao)在(zai)鋼(gang)(gang)(gang)管(guan)(guan)內灌注(zhu)水(shui)泥砂漿、混(hun)凝(ning)土(tu)或放置鋼(gang)(gang)(gang)筋籠(long)并(bing)灌注(zhu)水(shui)泥砂漿。鋼(gang)(gang)(gang)管(guan)(guan)宜沿隧(sui)道開(kai)挖輪廓線縱(zong)向近水(shui)平(ping)方(fang)向或按(an)縱(zong)坡(po)要(yao)求(qiu)設(she)(she)置。坡(po)度(du)(du)(du)(du)：長(chang)管(guan)(guan)棚宜在(zai)豎井內實施。必須在(zai)隧(sui)道內施作時，應(ying)(ying)預先設(she)(she)置加高段來滿足(zu)(zu)鉆(zhan)(zhan)機操作空(kong)間要(yao)求(qiu)，對掌(zhang)子面(mian)應(ying)(ying)采(cai)用噴射混(hun)凝(ning)土(tu)墻進(jin)(jin)(jin)行(xing)封(feng)閉處理。掌(zhang)子面(mian)：鋼(gang)(gang)(gang)格(ge)柵拱架應(ying)(ying)根(gen)據現場條件單獨設(she)(she)計制作，以滿足(zu)(zu)管(guan)(guan)棚施工(gong)和(he)受力要(yao)求(qiu)。工(gong)字鋼(gang)(gang)(gang)鋼(gang)(gang)(gang)拱架：鉆(zhan)(zhan)孔(kong)(kong)順(shun)序(xu)應(ying)(ying)由高孔(kong)(kong)位向低孔(kong)(kong)位進(jin)(jin)(jin)行(xing)。鉆(zhan)(zhan)孔(kong)(kong)直(zhi)徑應(ying)(ying)比設(she)(she)計管(guan)(guan)棚直(zhi)徑大20-30mm。鉆(zhan)(zhan)桿方(fang)向和(he)角(jiao)(jiao)度(du)(du)(du)(du)應(ying)(ying)符(fu)合設(she)(she)計要(yao)求(qiu)。鉆(zhan)(zhan)孔(kong)(kong)過(guo)程(cheng)中應(ying)(ying)注(zhu)意(yi)鉆(zhan)(zhan)桿角(jiao)(jiao)度(du)(du)(du)(du)的(de)變(bian)化，并(bing)保證鉆(zhan)(zhan)機不(bu)移位。孔(kong)(kong)直(zhi)徑比鋼(gang)(gang)(gang)管(guan)(guan)直(zhi)徑小20-30mm：管(guan)(guan)棚在(zai)頂進(jin)(jin)(jin)過(guo)程(cheng)中，應(ying)(ying)用測斜(xie)儀(yi)控制上仰角(jiao)(jiao)度(du)(du)(du)(du)。頂進(jin)(jin)(jin)完畢后(hou)應(ying)(ying)對每根(gen)管(guan)(guan)進(jin)(jin)(jin)行(xing)清孔(kong)(kong)處理。測斜(xie)儀(yi)：鋼(gang)(gang)(gang)管(guan)(guan)在(zai)安裝(zhuang)前應(ying)(ying)逐孔(kong)(kong)逐根(gen)進(jin)(jin)(jin)行(xing)編號，按(an)編號順(shun)序(xu)接(jie)管(guan)(guan)推進(jin)(jin)(jin)、不(bu)得混(hun)接(jie)。管(guan)(guan)棚接(jie)頭(tou)應(ying)(ying)相互(hu)錯開(kai)。管(guan)(guan)棚就位后(hou)，應(ying)(ying)按(an)要(yao)求(qiu)進(jin)(jin)(jin)行(xing)注(zhu)漿；鋼(gang)(gang)(gang)管(guan)(guan)內部(bu)宜填充(chong)水(shui)泥砂漿，以增加鋼(gang)(gang)(gang)管(guan)(guan)強度(du)(du)(du)(du)和(he)剛度(du)(du)(du)(du)。注(zhu)漿應(ying)(ying)采(cai)用分段注(zhu)漿方(fang)法，漿液能充(chong)分填充(chong)至圍巖(yan)內。修(xiu)文縣管(guan)(guan)棚廠家(jia)——貴州(zhou)合縱(zong)達鋼(gang)(gang)(gang)結構有限(xian)責任公司(si)。迪慶支(zhi)護管(guan)(guan)棚管(guan)(guan)價格(ge)

南(nan)明區(qu)管(guan)棚廠家——貴州(zhou)合(he)縱達鋼結構有限責任公(gong)司。四川(chuan)管(guan)規格

貴州(zhou)合縱達鋼(gang)(gang)(gang)告(gao)訴(su)你(ni)一些小秘密(mi)：鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)花(hua)(hua)(hua)管(guan)(guan)(guan)(guan)(guan)加(jia)工運(yun)輸。a.一種(zhong)在管(guan)(guan)(guan)(guan)(guan)壁(bi)上(shang)鉆(zhan)孔(kong)。不鉆(zhan)出鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)上(shang)部(bu)1/3長度(du)(du)范圍(wei)(wei)，其(qi)余的(de)(de)2/3范圍(wei)(wei)沿(yan)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)軸(zhou)線(xian)沿(yan)直徑50mm且(qie)徑向旋轉90鉆(zhan)有Φ10mm的(de)(de)孔(kong)。上(shang)下排灌(guan)(guan)漿(jiang)(jiang)(jiang)孔(kong)的(de)(de)距離(li)為50cm。管(guan)(guan)(guan)(guan)(guan)底軸(zhou)之間的(de)(de)距離(li)為25厘米。b.鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)焊接。鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)花(hua)(hua)(hua)管(guan)(guan)(guan)(guan)(guan)由套(tao)管(guan)(guan)(guan)(guan)(guan)連接，并沿(yan)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)周(zhou)圍(wei)(wei)的(de)(de)接頭焊接。接頭鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)長度(du)(du)為120mm。C.灌(guan)(guan)漿(jiang)(jiang)(jiang)眼暫(zan)時被阻塞。放(fang)置(zhi)(zhi)鋼(gang)(gang)(gang)制(zhi)花(hua)(hua)(hua)管(guan)(guan)(guan)(guan)(guan)。放(fang)置(zhi)(zhi)鋼(gang)(gang)(gang)鋼(gang)(gang)(gang)花(hua)(hua)(hua)管(guan)(guan)(guan)(guan)(guan)時，請保(bao)護塑料膠(jiao)帶不被損壞，并每隔3m設(she)置(zhi)(zhi)一個(ge)鋼(gang)(gang)(gang)筋頭以(yi)對其(qi)進(jin)行(xing)保(bao)護。使用(yong)鉆(zhan)機將(jiang)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)花(hua)(hua)(hua)管(guan)(guan)(guan)(guan)(guan)提升到孔(kong)中。吊裝時，鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)應以(yi)均勻(yun)的(de)(de)速(su)度(du)(du)下降，以(yi)便(bian)將(jiang)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)花(hua)(hua)(hua)管(guan)(guan)(guan)(guan)(guan)放(fang)置(zhi)(zhi)在鉆(zhan)孔(kong)的(de)(de)中間。鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)周(zhou)圍(wei)(wei)的(de)(de)保(bao)護層(ceng)厚度(du)(du)均勻(yun)。準(zhun)(zhun)備泥(ni)(ni)(ni)漿(jiang)(jiang)(jiang)。a.搭(da)設(she)操(cao)作(zuo)臺。水(shui)泥(ni)(ni)(ni)臨時倉(cang)庫與制(zhi)漿(jiang)(jiang)(jiang)站(zhan)緊鄰布(bu)置(zhi)(zhi)，根據每個(ge)灌(guan)(guan)漿(jiang)(jiang)(jiang)區(qu)域的(de)(de)地形(xing)條件，水(shui)泥(ni)(ni)(ni)倉(cang)庫和制(zhi)漿(jiang)(jiang)(jiang)站(zhan)與施工道路隔離(li)布(bu)置(zhi)(zhi)，減(jian)少對周(zhou)圍(wei)(wei)人員、車(che)輛的(de)(de)影響，水(shui)泥(ni)(ni)(ni)倉(cang)庫采(cai)取防潮措(cuo)施。b.水(shui)泥(ni)(ni)(ni)。選(xuan)用(yong)灌(guan)(guan)漿(jiang)(jiang)(jiang)用(yong)的(de)(de)水(shui)泥(ni)(ni)(ni)品種(zhong)，水(shui)泥(ni)(ni)(ni)強度(du)(du)等(deng)級不低于P.042.5MPa，符合規定的(de)(de)質量(liang)標(biao)準(zhun)(zhun)，不得(de)使用(yong)受潮結(jie)塊的(de)(de)水(shui)泥(ni)(ni)(ni)。c.水(shui)。準(zhun)(zhun)備泥(ni)(ni)(ni)漿(jiang)(jiang)(jiang)用(yong)水(shui)直接從附近水(shui)源點接管(guan)(guan)(guan)(guan)(guan)取水(shui)，水(shui)質量(liang)要(yao)求符合灌(guan)(guan)漿(jiang)(jiang)(jiang)用(yong)水(shui)標(biao)準(zhun)(zhun)。四川管(guan)(guan)(guan)(guan)(guan)規格(ge)

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