另一种是使用一标准的齿轮传动箱，齿轮传动箱带有一个装有连杆系统的动力油缸。

The other type USES a standard type gearbox with a power cylinder attached to the linkage system.

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液压驱动的钻井泵采用变量液压泵和动力油缸组成液压钻井泵的动力端；液力端和现在使用的三缸单作用活塞式钻井泵相同。

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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液压是指升降机在升降过程中的动力来源及传动方式，液压传动固然离不开最重要的部位—液压油缸。

Hydraulic pressure refers to the lift in the process of power source and transmission, hydraulic transmission is the most important part of the hydraulic cylinder.

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