GB 50235《工業金屬管道工程施工規范》的管道分級(類)
GB50235《工(gong)(gong)業(ye)(ye)金屬管(guan)道工(gong)(gong)程施工(gong)(gong)規(gui)(gui)范》配套(tao)使用GB50184《工(gong)(gong)業(ye)(ye)金屬管(guan)道工(gong)(gong)程施工(gong)(gong)質(zhi)量驗收規(gui)(gui)》和GB50236《現(xian)場設備、工(gong)(gong)業(ye)(ye)管(guan)道焊接工(gong)(gong)程施工(gong)(gong)規(gui)(gui)范》。工(gong)(gong)業(ye)(ye)金屬壓(ya)力管(guan)道應按TSGD001《壓(ya)力管(guan)道安(an)全技術監察規(gui)(gui)程-工(gong)(gong)業(ye)(ye)管(guan)道》的規(gui)(gui)定劃分(fen)為GC1、G...