介绍了平衡式复合齿轮泵结构原理。
The construction and principle of the balanced compound gear pump is introduced.
在原泵的外部增加进气平衡管线。
The gas intake balance pipeline is added outside the previous pump.
但泵轴受不平衡力，磨损严肃，走漏较大。
But the shaft by the unbalanced force, serious wear and tear, leak bigger.
但泵轴受不平衡力，磨损严肃，走漏较大。
But the shaft by the unbalanced force, serious wear and tear, leak bigger.
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