The pump is rated pressure pump work for the highest allowable pressure, but their work is determined by external pressure load, pump life are directly related to their work pressure.

泵的额定压力是指泵连续工作时的最高许用压力，而其工作压力则决定于外部负载，泵的寿命与其工作压力直接相关。

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For a small farmer, replacing a bucket with a pump can lead to cultivating a wider variety of crops and creating work for family and neighbors.

VOA: standard.2010.08.09

Senator CLAIRE MCCASKILL (Democrat, Missouri): I mean, I'm talking as a woman who took my breast pump to work for all three of my children.

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Diesel-powered pump trains were at work in tubes carrying the 2, 3, 7 and F lines under the East River, an MTA spokesman said Tuesday evening.

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Many spend hours a day at the pump before, during and after work.

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