positive-displacement pump
常见例句
- Twin-screw pump as a positive displacement pump, pump room exhaust inhalation chamber should be strictly separated.
双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。 - It is a positive displacement vacuum pump, which can pump gas by rotating slide valve to change cubage of gas- absorbing cavity.
它是通过滑阀转子作机械旋转运动从而改变吸气腔容积以达到抽气目的的容积式真空泵。 返回 positive-displacement pump