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當(dang)承(cheng)受地(di)(di)震(zhen)作(zuo)用時(shi),應采用雙螺(luo)母(mu)固定,或采用其它有效防止(zhi)松動(dong)的措施,但地(di)(di)腳螺(luo)栓...
國標8.8級u型(xing)螺(luo)(luo)栓,u型(xing)螺(luo)(luo)栓標準,河北(bei)u型(xing)螺(luo)(luo)栓生產廠家,8.8級u型(xing)螺(luo)(luo)栓訂...
國(guo)標雙(shuang)頭(tou)(tou)螺(luo)栓廠家,全(quan)牙(ya)雙(shuang)頭(tou)(tou)螺(luo)栓生產(chan)公(gong)司(si),35crmo高溫高壓(ya)雙(shuang)頭(tou)(tou)螺(luo)栓,hg/...
u型(xing)(xing)地腳螺栓規格表,國標u型(xing)(xing)地腳螺栓批發(fa)價(jia)格多少錢,高(gao)鐵(tie)用(yong)u型(xing)(xing)螺栓生(sheng)產廠家,...
永年雙(shuang)頭(tou)螺栓(shuan)廠(chang)家現貨,高強度(du)雙(shuang)頭(tou)螺栓(shuan)批發廠(chang)家,hg20634標(biao)準全絲(si)雙(shuang)頭(tou)螺栓(shuan)...
u型(xing)螺(luo)栓型(xing)號表,壓板u型(xing)螺(luo)栓廠家,方形(xing)直角u型(xing)螺(luo)栓生產(chan)公司(si),船用u型(xing)螺(luo)栓標準...