GB 50235《工業金屬管道工程施工規范》的管道分級(類)
GB50235《工(gong)業金(jin)屬管(guan)道(dao)工(gong)程施(shi)工(gong)規范》配套使(shi)用GB50184《工(gong)業金(jin)屬管(guan)道(dao)工(gong)程施(shi)工(gong)質量驗收(shou)規》和GB50236《現(xian)場設備、工(gong)業管(guan)道(dao)焊接(jie)工(gong)程施(shi)工(gong)規范》。工(gong)業金(jin)屬壓(ya)力管(guan)道(dao)應(ying)按TSGD001《壓(ya)力管(guan)道(dao)安全(quan)技(ji)術監察(cha)規程-工(gong)業管(guan)道(dao)》的(de)規定劃(hua)分為(wei)GC1、G...