要想做到这一点，就得千方百计地提高容积率。
To do this, they do everything possible to improve capacity rate.
工作腔由一对相互啮合的转子组成，在电机驱动下高速运转，齿间容积不断地变化，从而不断地压缩并升高压力。
Work by a pair of cavity mesh with each other in motor driver of rotor, next at high speed, and between the volume is constantly changing, so as to constantly pressure increase pressure condensed.
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。
Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.
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