• The test method of pressure loss, flow loss and frictional force loss etc. of the hydraulic pumping units is presented, from which the mechanical efficiency and volumetric efficiency are obtained.

    给出液压抽油机系统压力损失流量损失以及油缸摩擦力损失方法并由此求出系统机械效率容积效率。

    youdao

  • The test method of pressure loss, flow loss and frictional force loss etc. of the hydraulic pumping units is presented, from which the mechanical efficiency and volumetric efficiency are obtained.

    给出液压抽油机系统压力损失流量损失以及油缸摩擦力损失方法并由此求出系统机械效率容积效率。

    youdao

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