氮气首先给气囊充气，以消除脉冲停止时的由往复式活塞泵产生的压力脉动。
The nitrogen gas precharged bladder inside the Pulse-Stop dampens the pressure pulsations created by the reciprocating action of the pumps.
氮气首先给气囊充气，以消除脉冲停止时的由往复式活塞泵产生的压力脉动。
The nitrogen gas precharged bladder inside the Pulse-Stop dampens the pressure pulsations created by the reciprocating action of the pumps.
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