设计依据 design reference |
gb标准 | ansi标准 | |
设计标准 design standrd |
gb/12237 | ansi b16.34 | |
结构长度 face to face |
对夹连接 wafer connecting |
gb/12221 | ansi b16.10 |
连接法兰尺寸 connecting flange size |
gb/9113、jb/t79 | ansi b16.5 | |
试验和检验 test&inspection |
jb/t9002 | api598 |