... dry-type room air conditioner 干式房间空调器 dry-type vacuum pump 干式真空泵 dry vacuum 干真空 ...
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Dry Roots-type vacuum pump 干式罗茨真空泵
This paper introduced a new type and special structured vacuum pump unit suitable for dry type reduced-pressure distillation.
本文介绍适用于干式减压蒸馏的特殊结构真空抽气设备。
Using the meshing principle, we raise computer-simulated generation method and compare volumetric efficiency with other kind of claw type dry vacuum pump.
根据啮合原理，提出了计算机模拟创成方法并同其它爪型干式真空泵的容积利用系数做出了比较。
Volumetric efficiency of a new claw type dry vacuum pump was introduced.
介绍了一种新型的特殊爪型干式真空泵的容积利用系数。
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