應(yīng)用規(guī)范Application Specification
1、設(shè)計制造:GB/T 12237-2007
2、結(jié)構(gòu)長度:GB/T 12221-2005
3、法蘭連接:JB/T 79-1994
4、檢驗試壓:GB/T 13927-2008
1.Design and manufacturing: GB/T 12237-2007
2.Face to face: GB/T 12221-2005
3.Flange connecting: JB/T 79-1994
4. Inspection and testing: GB/T 13927-2008