to mechanical vacuum pump的意思|示意
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到机械真空泵
to mechanical vacuum pump的网络常见释义
到机械真空泵 ... type mechanical booster pump 罗茨型机械增压泵 to mechanical vacuum pump 到机械真空泵 Mechanical Seal Pump Cover 机封泵盖 ...
to mechanical vacuum pump相关例句
This paper is to describe a study of a mechanical vacuum pump using sealed bellows.
本文介绍了波纹管密封真空泵的研究。