Calculation of the vacuum pump
英
美
- 真空泵的计算
双语例句
- The theory of the vacuum pump is actually very simple.
真空泵的原理其实很简单。 - Uncontaminated water is normally used as seal water for vacuum pumps and for compressor cooling as well as for sanitary use.
未污染的水通常用作真空泵的密封水和压缩机的冷却水以及供保健用。
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