• 液压驱动钻井采用变量液压动力组成液压钻井动力液力端和现在使用的三缸作用活塞式钻井相同

    Hydraulic dive drilling pump adopts variable hydraulic pump and dynamic cylinder as its power end and its fluid end is identical with the triplex single acting piston pump.

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  • 介绍新型液力装置组成液压驱动系统工作原理装置综合了液压杆抽油装置和水力活塞抽油装置两方面的优点。

    The structure compositions of a new type of hydraulic driving pumping oil installation and the working principle of its hydraulic driving system are introduced.

    youdao

  • 介绍新型液力装置组成液压驱动系统工作原理装置综合了液压杆抽油装置和水力活塞抽油装置两方面的优点。

    The structure compositions of a new type of hydraulic driving pumping oil installation and the working principle of its hydraulic driving system are introduced.

    youdao

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