GB 50235《工業金屬管道工程施工規范》的管道分級(類)
GB50235《工(gong)(gong)(gong)業(ye)金屬(shu)(shu)管(guan)(guan)道工(gong)(gong)(gong)程(cheng)(cheng)施工(gong)(gong)(gong)規范》配套(tao)使用GB50184《工(gong)(gong)(gong)業(ye)金屬(shu)(shu)管(guan)(guan)道工(gong)(gong)(gong)程(cheng)(cheng)施工(gong)(gong)(gong)質量驗(yan)收(shou)規》和GB50236《現場(chang)設備、工(gong)(gong)(gong)業(ye)管(guan)(guan)道焊接工(gong)(gong)(gong)程(cheng)(cheng)施工(gong)(gong)(gong)規范》。工(gong)(gong)(gong)業(ye)金屬(shu)(shu)壓(ya)力管(guan)(guan)道應按TSGD001《壓(ya)力管(guan)(guan)道安全技術監察規程(cheng)(cheng)-工(gong)(gong)(gong)業(ye)管(guan)(guan)道》的規定劃分為GC1、G...