转子继续旋转，被隔离气体逐渐被压缩，压力增高，当压力超过排气口的压力时，则气体被排出泵外。
The rotor continues to rotate, be quarantined the gas slowly be compressed, pressure, when pressure is more than vent pressure, the gas is expelled the pump.
转子继续旋转，被隔离气体逐渐被压缩，压力增高，当压力超过排气口的压力时，则气体被排出泵外。
The rotor continues to rotate, be quarantined the gas slowly be compressed, pressure, when pressure is more than vent pressure, the gas is expelled the pump.
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