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)(gong)業(ye)金(jin)屬(shu)管道(dao)工(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)規(gui)范(fan)》配套使用(yong)GB50184《工(gong)(gong)(gong)(gong)業(ye)金(jin)屬(shu)管道(dao)工(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)質量驗收規(gui)》和(he)GB50236《現場設備、工(gong)(gong)(gong)(gong)業(ye)管道(dao)焊(han)接(jie)工(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)規(gui)范(fan)》。工(gong)(gong)(gong)(gong)業(ye)金(jin)屬(shu)壓力管道(dao)應按(an)TSGD001《壓力管道(dao)安全技術監察規(gui)程(cheng)-工(gong)(gong)(gong)(gong)業(ye)管道(dao)》的(de)規(gui)定劃分(fen)為(wei)GC1、G...