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鎮江市取排水(shui)(shui)管道(dao)水(shui)(shui)下安裝公司(si)施(shi)工(gong)(gong)(gong)經驗(yan)豐富 佩潤水(shui)(shui)下工(gong)(gong)(gong)程專(zhuan)業水(shui)(shui)下管道(dao)安裝，取排水(shui)(shui)管道(dao)安裝-單位(wei)推薦(jian)【2022已更新】在沉管施(shi)工(gong)(gong)(gong)前在岸邊行(xing)鋼管焊(han)接施(shi)工(gong)(gong)(gong)。用管徑、試(shi)壓強度(du)、防腐檢驗(yan)合格(ge)后的鋼管進行(xing)焊(han)接工(gong)(gong)(gong)作，為確保施(shi)工(gong)(gong)(gong)管線不發生滲漏(lou)，所以(yi)焊(han)接工(gong)(gong)(gong)作十分重要，焊(han)接工(gong)(gong)(gong)作人(ren)員(yuan)必(bi)須持(chi)有效嚴格(ge)按(an)照(zhao)有關規范標準(zhun)進行(xing)焊(han)接工(gong)(gong)(gong)作。焊(han)縫尺寸應符合有關驗(yan)收標準(zhun)；焊(han)口直度(du)允許誤差為3㎜；咬肉深度(du)為0.5㎜，連續長(chang)度(du)為25㎜；

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