真空抽气泵 vacuum air pump ; vcuum ir pump ; [医] vacuum air pump
真空抽气机 vacuum pumping ; vacuum deaerator
真空抽气系统 vacuum pumping system ; vacuum extraction system ; system vacuum pumping
灯泡真空抽气泵 lamp bulb vacuum pump
高真空抽气 fine pumping
霓虹灯管真空抽气泵 neon light tube vacuum pump
真空抽气马桶 Vacuum toilet assembly
真空抽气机组 vacuum group
高真空抽气机 high vacuum pump
具有对电力设备真空抽气和真空注油功能。
It possesses vacuum air bleeding and vacuum oil adding function.
本文介绍适用于干式减压蒸馏的特殊结构真空抽气设备。
This paper introduced a new type and special structured vacuum pump unit suitable for dry type reduced-pressure distillation.
在罩式电炉内处理，采取液氮作为保护气体，并设真空抽气设备。
Liquid nitrogen is adopted as protective atmosphere in bell type furnace for which vacuum pumping system are provide also.
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