求翻译：抽油泵系统是将液体高效快速的举升至地面的关键。其原理就是将常规抽油泵的固定凡儿设计在泵筒上部，泵筒内的柱塞上，下各有一个游动凡儿，实现柱塞通过下部动力直接驱动，往复运动完成抽汲。如下图是什么意思？

The pump system is rapid and efficient liquid held the key to rise to the ground. The principle is the conventional pump where the children in the top of the pump barrel, the plunger of the pump barrel, each under a swim where the children, to achieve the plunger through the lower part of the power

The pump system is the liquid quick lift to the ground. Their theory is that the pump will be the conventional fixed where a child care design on the pump, the pump barrel and top of the plunger in on the next, and the roving where there is a plunger for child care, through the power of reciprocatin

The oil pump system is the liquid highly effective fast lifting to the ground key.Its principle is fixes the conventional oil pump every son design on the pump tube, in on the pump tube plunger, gets down has one to hover respectively every son, realizes the plunger through the lower part power dire

Pumping system is a liquid and efficient quick lift to ground key. Its principle is a regular pump of fixed design in the upper portion of the pump cylinder, pump barrel columns in North of the Great Wall, where each has a walk under, achieving piston driven directly by a lower power, reciprocating

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