碳(tan)(tan)纖(xian)(xian)(xian)維(wei)加(jia)固(gu)技術的(de)(de)(de)(de)(de)施(shi)(shi)工流程包括(kuo)以下(xia)步驟：施(shi)(shi)工準備：根(gen)據施(shi)(shi)工現(xian)(xian)(xian)場和(he)被加(jia)固(gu)構(gou)(gou)件(jian)混(hun)(hun)(hun)(hun)凝土的(de)(de)(de)(de)(de)實(shi)際狀況對照設計圖(tu)紙(zhi)，確定(ding)(ding)施(shi)(shi)工方案和(he)施(shi)(shi)工計劃，作(zuo)好施(shi)(shi)工前的(de)(de)(de)(de)(de)準備工作(zuo)。卸荷(he)：對所加(jia)固(gu)的(de)(de)(de)(de)(de)構(gou)(gou)件(jian)盡可能卸荷(he)。基(ji)底(di)處理：混(hun)(hun)(hun)(hun)凝土表層呈現(xian)(xian)(xian)脫落、空(kong)鼓、蜂窩、腐(fu)蝕等(deng)劣化(hua)(hua)(hua)表象的(de)(de)(de)(de)(de)部位(wei)應予以鑿除，關(guan)于(yu)較大(da)面積的(de)(de)(de)(de)(de)殘次(ci)層，在(zai)鑿除后運(yun)用(yong)環氧砂漿進(jin)行(xing)修復。裂縫(feng)部位(wei)應進(jin)行(xing)關(guan)閉(bi)處理。用(yong)混(hun)(hun)(hun)(hun)凝土角(jiao)機(ji)、砂紙(zhi)等(deng)機(ji)具除掉(diao)混(hun)(hun)(hun)(hun)凝土外表的(de)(de)(de)(de)(de)浮漿、油污等(deng)雜質(zhi)，構(gou)(gou)件(jian)基(ji)面的(de)(de)(de)(de)(de)混(hun)(hun)(hun)(hun)凝土要(yao)打磨(mo)平(ping)(ping)坦，尤其是外表的(de)(de)(de)(de)(de)凸(tu)起(qi)部位(wei)要(yao)磨(mo)平(ping)(ping)，轉(zhuan)角(jiao)張(zhang)貼(tie)處要(yao)進(jin)行(xing)倒角(jiao)處理并打磨(mo)成圓(yuan)弧(R≥30mm)。用(yong)吹風機(ji)將混(hun)(hun)(hun)(hun)凝土外表清理潔凈，并堅(jian)持(chi)枯燥(zao)。涂底(di)膠：按主劑(ji)(ji)∶固(gu)化(hua)(hua)(hua)劑(ji)(ji)=2∶1(或(huo)其他份額)將主劑(ji)(ji)與固(gu)化(hua)(hua)(hua)劑(ji)(ji)先后置于(yu)容器(qi)中(zhong)，用(yong)彈(dan)簧秤計量，電動拌和(he)器(qi)均(jun)勻拌和(he)，依(yi)據現(xian)(xian)(xian)場實(shi)踐氣溫決議用(yong)量并嚴格(ge)控制運(yun)用(yong)時刻。通常情況下(xia)1h內用(yong)完。用(yong)滾筒刷將底(di)膠均(jun)勻涂刷于(yu)混(hun)(hun)(hun)(hun)凝土外表，待膠固(gu)化(hua)(hua)(hua)后(固(gu)化(hua)(hua)(hua)時刻視現(xian)(xian)(xian)場氣溫而定(ding)(ding)，以指觸(chu)枯燥(zao)為準)再進(jin)行(xing)下(xia)一工序施(shi)(shi)工。通常固(gu)化(hua)(hua)(hua)時刻為2～3d。找平(ping)(ping)：對不平(ping)(ping)整的(de)(de)(de)(de)(de)部位(wei)進(jin)行(xing)找平(ping)(ping)。粘貼(tie)碳(tan)(tan)纖(xian)(xian)(xian)維(wei)布：將碳(tan)(tan)纖(xian)(xian)(xian)維(wei)布按照設計要(yao)求粘貼(tie)在(zai)需要(yao)加(jia)固(gu)的(de)(de)(de)(de)(de)混(hun)(hun)(hun)(hun)凝土表面上(shang)，確保粘貼(tie)密實(shi)、平(ping)(ping)整。表面保護：在(zai)碳(tan)(tan)纖(xian)(xian)(xian)維(wei)布表面涂刷保護層。建筑粘貼(tie)碳(tan)(tan)纖(xian)(xian)(xian)維(wei)布加(jia)固(gu)技術適用(yong)于(yu)梁(liang)、柱(zhu)、剪力墻、樓板因增加(jia)荷(he)載或(huo)配筋不足的(de)(de)(de)(de)(de)受彎、受拉構(gou)(gou)件(jian)加(jia)固(gu)。河(he)南(nan)橋(qiao)梁(liang)碳(tan)(tan)纖(xian)(xian)(xian)維(wei)加(jia)固(gu)有用(yong)嗎

在建(jian)筑、航空、汽車等領(ling)域(yu)，結(jie)構(gou)強度一直是一個重(zhong)要(yao)的(de)(de)問題。結(jie)構(gou)強度低下不(bu)僅(jin)會(hui)影響使用(yong)壽命(ming)，還可(ke)(ke)能導致安全(quan)事故。而(er)碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)技(ji)(ji)術的(de)(de)出現，為(wei)這一問題提(ti)供了(le)高效的(de)(de)解決(jue)方(fang)案。什(shen)么是碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)？碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)是一種將碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)布(bu)/片與膠黏劑粘(zhan)合在需要(yao)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)的(de)(de)結(jie)構(gou)表面(mian)上的(de)(de)技(ji)(ji)術。碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)具有輕(qing)質(zhi)、耐腐(fu)蝕等優點，能夠顯著提(ti)高結(jie)構(gou)的(de)(de)承載能力、抗震(zhen)性能、抗風能力等，同(tong)時還能延(yan)長(chang)(chang)結(jie)構(gou)使用(yong)壽命(ming)。碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)的(de)(de)優勢：碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)的(de)(de)強度比(bi)鋼(gang)鐵還要(yao)高，可(ke)(ke)以顯著提(ti)高結(jie)構(gou)的(de)(de)承載能力。輕(qing)質(zhi)：碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)具有輕(qing)質(zhi)的(de)(de)特點，與鋼(gang)鐵相比(bi)，其重(zhong)量只有1/5左右，可(ke)(ke)以降低結(jie)構(gou)自身重(zhong)量，減小地(di)震(zhen)等自然災害的(de)(de)影響。耐腐(fu)蝕：碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)不(bu)易受到腐(fu)蝕和氧化，能夠延(yan)長(chang)(chang)結(jie)構(gou)的(de)(de)使用(yong)壽命(ming)。可(ke)(ke)塑性強：碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)可(ke)(ke)以根據需要(yao)進行(xing)切割、拼接等加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)處理，能夠適應不(bu)同(tong)的(de)(de)結(jie)構(gou)形態。施工(gong)(gong)(gong)便(bian)捷(jie)：碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)技(ji)(ji)術不(bu)需要(yao)停機施工(gong)(gong)(gong)，可(ke)(ke)以在結(jie)構(gou)使用(yong)期間進行(xing)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)。碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)的(de)(de)應用(yong)領(ling)域(yu)建(jian)筑領(ling)域(yu)在建(jian)筑領(ling)域(yu)，碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)技(ji)(ji)術主要(yao)應用(yong)于鋼(gang)筋混凝土結(jie)構(gou)的(de)(de)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)、橋(qiao)梁加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)等。通過碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)，可(ke)(ke)以提(ti)高結(jie)構(gou)的(de)(de)承載能力、抗震(zhen)性能和抗風能力。房屋(wu)碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)大(da)概費用(yong)碳(tan)(tan)(tan)纖(xian)(xian)(xian)(xian)維(wei)布(bu)的(de)(de)粘(zhan)結(jie)部位應避免在其受拉區受力。

碳纖(xian)(xian)維(wei)(wei)布：外觀看起來有(you)點像編織袋(dai)，不過碳纖(xian)(xian)維(wei)(wei)布是單向排列(lie)編織，也就是說它只(zhi)能(neng)一(yi)個方向受力，其抗(kang)拉強度(du)大(da)約是鋼(gang)筋的(de)10倍(bei)，一(yi)般抗(kang)裂強度(du)為(wei)3000-3500兆帕不等(deng)，比重為(wei)1/5，每平方米的(de)重量為(wei)200-300克(ke)，單層布厚度(du)為(wei)0.111-0.167mm,寬幅為(wei)5-1250px不等(deng)，并且(qie)具(ju)有(you)耐腐蝕特(te)性，要(yao)使碳纖(xian)(xian)維(wei)(wei)布發揮作(zuo)(zuo)用(yong)還需要(yao)碳纖(xian)(xian)維(wei)(wei)膠(jiao)(jiao)作(zuo)(zuo)為(wei)媒(mei)介(jie)。碳纖(xian)(xian)維(wei)(wei)膠(jiao)(jiao)：一(yi)般采用(yong)雙組份(fen)、無(wu)溶劑、改性環氧A類膠(jiao)(jiao)粘劑，對碳纖(xian)(xian)維(wei)(wei)材料有(you)良好(hao)的(de)浸(jin)潤(run)性，形成(cheng)新的(de)復合材料具(ju)有(you)極強的(de)力學性能(neng)和優良的(de)耐久性能(neng)，具(ju)有(you)較(jiao)好(hao)的(de)觸變(bian)性能(neng)和良好(hao)的(de)懸掛度(du)，垂直(zhi)面施工(gong)流淌性較(jiao)小(xiao)。

在各(ge)種維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)加(jia)(jia)(jia)固(gu)方(fang)(fang)法中(zhong)(zhong)(zhong)隨著新材料、新工(gong)(gong)藝的(de)(de)運用(yong)，碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)布(bu)方(fang)(fang)法具有方(fang)(fang)便(bian)、快捷(jie)的(de)(de)特(te)點(dian)，因(yin)而在橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)加(jia)(jia)(jia)固(gu)中(zhong)(zhong)(zhong)得到(dao)(dao)廣泛應用(yong)。同時(shi)也因(yin)為碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)復合(he)材料價格較底(di)，使(shi)橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)加(jia)(jia)(jia)固(gu)工(gong)(gong)程成(cheng)(cheng)本降低(di)。碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)布(bu)具有性能(neng)強(qiang)度(du)(du)高(gao)(gao)、質(zhi)(zhi)量(liang)密度(du)(du)小、高(gao)(gao)溫下(xia)不(bu)容易變形，不(bu)容易被腐蝕(shi)、較強(qiang)的(de)(de)抗疲勞特(te)質(zhi)(zhi)、抗緩(huan)慢變形下(xia)的(de)(de)導電、傳(chuan)熱和較小的(de)(de)熱膨脹系數等等一列(lie)優良性能(neng)。**度(du)(du)碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)絲精紡(fang)而成(cheng)(cheng)碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)布(bu)，橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)加(jia)(jia)(jia)固(gu)中(zhong)(zhong)(zhong)容易粘合(he)，重量(liang)輕、厚度(du)(du)薄，不(bu)會增(zeng)加(jia)(jia)(jia)橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)的(de)(de)自(zi)重及截面面積，保證橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)加(jia)(jia)(jia)固(gu)工(gong)(gong)程施(shi)工(gong)(gong)質(zhi)(zhi)量(liang)。碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)布(bu)具有高(gao)(gao)柔(rou)韌性、可(ke)自(zi)由彎(wan)曲、方(fang)(fang)便(bian)纏繞折(zhe)疊，容易成(cheng)(cheng)型，對不(bu)同種類(lei)曲面和圓(yuan)形，特(te)別是(shi)針對異形構(gou)件維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)加(jia)(jia)(jia)固(gu)優勢(shi)為明顯。碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)布(bu)若與結構(gou)膠(jiao)粘劑配合(he)使(shi)用(yong)，更加(jia)(jia)(jia)適(shi)用(yong)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)加(jia)(jia)(jia)固(gu)木質(zhi)(zhi)結構(gou)、混凝士結構(gou)的(de)(de)橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)，橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)的(de)(de)承載能(neng)力(li)、抗震能(neng)力(li)和使(shi)用(yong)壽(shou)命都(dou)得到(dao)(dao)提高(gao)(gao)。碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)布(bu)在橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)維(wei)(wei)(wei)(wei)(wei)(wei)修(xiu)加(jia)(jia)(jia)固(gu)工(gong)(gong)程中(zhong)(zhong)(zhong)施(shi)工(gong)(gong)方(fang)(fang)便(bian)，無論是(shi)怎樣的(de)(de)橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)都(dou)可(ke)以(yi)快捷(jie)施(shi)工(gong)(gong)，整(zheng)體橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)外觀(guan)不(bu)會受到(dao)(dao)影響，橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)下(xia)部(bu)凈空不(bu)會減少(shao)，保證原有的(de)(de)橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)結構(gou)，通(tong)過碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)布(bu)的(de)(de)使(shi)用(yong)，能(neng)有效封閉橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)裂縫(feng)，混凝土強(qiang)度(du)(du)大(da)幅(fu)度(du)(du)增(zeng)加(jia)(jia)(jia)，碳紅維(wei)(wei)(wei)(wei)(wei)(wei)布(bu)的(de)(de)技術(shu)操(cao)作簡(jian)單，很方(fang)(fang)便(bian)的(de)(de)計算(suan)出橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)(liang)需(xu)要粘貼(tie)的(de)(de)層(ceng)數。混凝土碳纖(xian)(xian)維(wei)(wei)(wei)(wei)(wei)(wei)加(jia)(jia)(jia)固(gu)技術(shu)能(neng)夠提高(gao)(gao)建筑物(wu)的(de)(de)承載能(neng)力(li)。

采用碳(tan)(tan)(tan)纖(xian)(xian)維(wei)加(jia)(jia)固材(cai)料(liao)(liao)修(xiu)復(fu)(fu)補強(qiang)混凝(ning)士結(jie)構(gou)(gou)(gou)，是(shi)近來發展的(de)(de)(de)(de)新型工法(fa)，利用碳(tan)(tan)(tan)纖(xian)(xian)維(wei)材(cai)料(liao)(liao)的(de)(de)(de)(de)抗(kang)(kang)拉(la)強(qiang)度到(dao)達的(de)(de)(de)(de)增(zeng)強(qiang)構(gou)(gou)(gou)件承載能力(li)及剛(gang)度的(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)。碳(tan)(tan)(tan)纖(xian)(xian)維(wei)加(jia)(jia)固法(fa)可用于橋梁混凝(ning)士結(jie)構(gou)(gou)(gou)抗(kang)(kang)彎、抗(kang)(kang)剪(jian)加(jia)(jia)固，同時普遍(bian)用于各(ge)類工業與民用建筑(zhu)物、構(gou)(gou)(gou)造物的(de)(de)(de)(de)防(fang)(fang)(fang)震、防(fang)(fang)(fang)裂、防(fang)(fang)(fang)腐的(de)(de)(de)(de)補強(qiang)碳(tan)(tan)(tan)纖(xian)(xian)維(wei)在橋梁工程(cheng)使用普遍(bian)，其加(jia)(jia)固的(de)(de)(de)(de)基(ji)本原理是(shi)將抗(kang)(kang)拉(la)強(qiang)度極高的(de)(de)(de)(de)碳(tan)(tan)(tan)纖(xian)(xian)維(wei)用環氧樹脂預(yu)浸成(cheng)為復(fu)(fu)合(he)增(zeng)強(qiang)材(cai)料(liao)(liao)，用環氧樹脂粘結(jie)劑(ji)沿受拉(la)方(fang)向或垂直于裂縫(feng)方(fang)向粘貼在要(yao)補強(qiang)的(de)(de)(de)(de)結(jie)構(gou)(gou)(gou)上，形成(cheng)一(yi)個新的(de)(de)(de)(de)復(fu)(fu)合(he)體，使增(zeng)強(qiang)粘貼材(cai)料(liao)(liao)與原有鋼筋混凝(ning)同受力(li)，增(zeng)大結(jie)構(gou)(gou)(gou)的(de)(de)(de)(de)抗(kang)(kang)裂或抗(kang)(kang)剪(jian)能力(li)，以提高結(jie)構(gou)(gou)(gou)的(de)(de)(de)(de)強(qiang)度、剛(gang)度、抗(kang)(kang)裂性(xing)和延長性(xing).碳(tan)(tan)(tan)纖(xian)(xian)維(wei)布用膠(jiao)應(ying)采用配套的(de)(de)(de)(de)碳(tan)(tan)(tan)纖(xian)(xian)維(wei)布膠(jiao)粘劑(ji)。安徽什么(me)是(shi)碳(tan)(tan)(tan)纖(xian)(xian)維(wei)加(jia)(jia)固多少錢(qian)一(yi)平方(fang)

碳(tan)纖(xian)維布加(jia)(jia)固工藝簡單，施工方(fang)便(bian)，同時具(ju)有(you)良好的適應性和(he)可塑性，可以滿足不同結構的加(jia)(jia)固需(xu)求。河南橋梁碳(tan)纖(xian)維加(jia)(jia)固有(you)用(yong)嗎

碳(tan)纖(xian)(xian)維(wei)復合材料(liao)(liao)通常由纖(xian)(xian)維(wei)和基體組(zu)成(cheng)。其力(li)學特點是應(ying)力(li)應(ying)變量(liang)完全線彈性(xing)，不(bu)(bu)存(cun)在(zai)屈服(fu)點或塑(su)性(xing)區。由于碳(tan)纖(xian)(xian)維(wei)材料(liao)(liao)具(ju)有(you)(you)輕質、耐腐蝕、耐疲勞等優異(yi)物理(li)力(li)學性(xing)能(neng)，以及現場(chang)施工便捷，所(suo)以是舊(jiu)橋(qiao)加(jia)固(gu)補強的(de)(de)理(li)想(xiang)材料(liao)(liao)。碳(tan)纖(xian)(xian)維(wei)布的(de)(de)抗拉(la)強度(du)(du)一(yi)般(ban)為(wei)(wei)(wei)3550MPa，彈性(xing)模量(liang)為(wei)(wei)(wei)2.35x105MPa，根據(ju)碳(tan)纖(xian)(xian)維(wei)布的(de)(de)品(pin)質不(bu)(bu)同(tong)，其厚度(du)(du)為(wei)(wei)(wei)0.11~0.43mm，幅寬為(wei)(wei)(wei)20~100cm，卷材長度(du)(du)為(wei)(wei)(wei)50~100m。粘結(jie)材料(liao)(liao)是指能(neng)將連續纖(xian)(xian)維(wei)狀的(de)(de)碳(tan)纖(xian)(xian)維(wei)結(jie)合在(zai)一(yi)起(qi)，同(tong)時(shi)又(you)與(yu)混(hun)(hun)凝土表面粘合的(de)(de)系列材料(liao)(liao)。它(ta)是保證碳(tan)纖(xian)(xian)維(wei)布與(yu)混(hun)(hun)疑司工作的(de)(de)關(guan)鍵，應(ying)有(you)(you)足夠的(de)(de)剛(gang)度(du)(du)與(yu)強度(du)(du)來保證碳(tan)纖(xian)(xian)維(wei)與(yu)混(hun)(hun)凝土間(jian)剪力(li)的(de)(de)傳遞，同(tong)時(shi)應(ying)有(you)(you)足夠的(de)(de)韌(ren)性(xing)，不(bu)(bu)會(hui)因混(hun)(hun)凝土開裂導致脆性(xing)粘結(jie)破壞。此外，由于舊(jiu)橋(qiao)加(jia)固(gu)均在(zai)野外，所(suo)以粘結(jie)材料(liao)(liao)還應(ying)能(neng)在(zai)一(yi)般(ban)氣候條(tiao)件(jian)下固(gu)化(hua)，固(gu)化(hua)時(shi)間(jian)合適(般(ban)保證有(you)(you)3h左右)，對組(zu)分含量(liang)不(bu)(bu)敏感，具(ju)有(you)(you)適宜的(de)(de)流動性(xing)和粘度(du)(du)，固(gu)化(hua)收縮率小(xiao)。粘結(jie)材料(liao)(liao)主要包括三類材料(liao)(liao):底層涂料(liao)(liao)、整亞材料(liao)(liao)和浸漬樹脂。河南橋(qiao)梁碳(tan)纖(xian)(xian)維(wei)加(jia)固(gu)有(you)(you)用嗎(ma)

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