screw flange coupling
[石油英汉词典]
screw flange couplingn.螺纹法兰联管节
是什么意思,screw flange coupling的解释,screw flange coupling的翻译
[新英汉石油技术词典] screw flange coupling
screw flange coupling
[石油英汉词典]
screw flange coupling是什么意思,screw flange coupling的解释,screw flange coupling的翻译
[新英汉石油技术词典] screw flange coupling