通常双缸单作用活塞泵的恒转速运行会导致管路流量波动,使之在恒流量场合较少应用。
In general, a double cylinder single acting piston pumps rotates at a constant speed, this results in considerable fluctuation in the flow curve.
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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