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.
对于三缸低波动往复泵，理论上应使三个活塞在排出行程（吸入行程）中的速度之和为一常数，采用凸轮机构能达到这一目的。
Theoretically the sum of the velocities of the three pistons on the discharge stroke in a low-fluctuation triplex pump should be a constant, and this can be achieved by means of the cam mechanism.
CAT的泵？是致力于提供最优质的工业三缸活塞和柱塞高压泵和相关产品的制造商。
CAT pumps? Is a manufacturer committed to supplying the highest quality industrial triplex high pressure piston and plunger pumps and related products.
CAT的泵？是致力于提供最优质的工业三缸活塞和柱塞高压泵和相关产品的制造商。
CAT pumps? Is a manufacturer committed to supplying the highest quality industrial triplex high pressure piston and plunger pumps and related products.
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