国外标准 阀门标准 BS 1873-1975 中文版 石油、石化及相关工业用法兰端和对焊端钢制截止阀与和截止止回阀.pdf [pdf-embedder url="http://zl.zrfamen.cn/...
阀门标准 JIS B2005-8-1-2004 Industrial-process control valves-Part 8：Noise considerations-Section One：Laboratory measurement of noise generated by aerodynamic flow through control valves.pdf [db:摘要]
