positive-displacement pump
常见例句
- Twin-screw pump as a positive displacement pump, pump room exhaust inhalation chamber should be strictly separated.
雙螺杆泵作爲一種容積式泵，泵內吸入室應與排出室嚴密地隔開。 - It is a positive displacement vacuum pump, which can pump gas by rotating slide valve to change cubage of gas- absorbing cavity.
它是通過滑閥轉子作機械鏇轉運動從而改變吸氣腔容積以達到抽氣目的的容積式真空泵。 返回 positive-displacement pump