GB/T 17213.2-2017工业过程控制阀第2-1部分:流通能力安装条件下流体流量的计算公式国家标准
英文:Industrial-process control valves—Part 2-1: Flow capacity—Sizing equations for fluid flow under installed conditions ...
英文:Industrial-process control valves—Part 2-1: Flow capacity—Sizing equations for fluid flow under installed conditions ...