concentric plate
concentric plate
[新英汉石油技术词典]
concentric plate同心板
是什么意思,concentric plate的解释,concentric plate的翻译
[石油英汉词典] concentric plate
concentric plate
[新英汉石油技术词典]
concentric plate是什么意思,concentric plate的解释,concentric plate的翻译
[石油英汉词典] concentric plate