It makes grave effect to gear pump work stability and service life.

严重影响油泵的工作稳定性和使用寿命。

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Mainly analyzed are some technical problems which have existed for many years, such as synchronization delay or failure, and big close Angle under synchronous pump work condition.

重点针对多年存在的并网时间长、甚至并网失败，以及抽水同期并网角度大等若干技术问题进行了分析，并提出了解决措施。

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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

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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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