随着泵转子的连续旋转，以上吸气和排气过程循环进行，实现了泵的连续抽气目的。
As the pump rotor continuous rotation, the above cycle of suction and exhaust process and the achievement of the purpose of the pump continuous extraction.
随着泵转子的连续旋转，以上吸气和排气过程循环进行，实现了泵的连续抽气目的。
As the pump rotor continuous rotation, the above cycle of suction and exhaust process and the achievement of the purpose of the pump continuous extraction.
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