water ring vacuum pump

water ring vacuum pump是什么意思、water ring vacuum pump怎么读
【化】 水环真空泵

water ring vacuum pump汉语翻译

【化】 水环真空泵
相关内容
liquid-ring vacuum pump
vane-type vacuum pump
sliding-vane vacuum pump
rotary vane vacuum pump
recovery vacuum pump
combined pressure and vacuum relief valve
automatic vacuum valve
wet vacuum pump
vacuum-pumping
vacuum vessel
vacuum ventilation
vacuum vapor deposition method
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