Secondly, analyzing statics characteristic of the multi-gear pump demonstrates that radial hydraulic pressure, meshing force and resultant force are balanced on the center wheel.

其次，对多齿轮泵的静力学特性作了分析，证明了中心轮径向液压力、啮合力及总作用力平衡。

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The strong points of the compound gear pump are balanced hydraulic pressure of radius, uniform of flow rate, small volume, large displacement and low noise and so on.

它具有径向液压力平衡、流量均匀性好、噪声低、排量大、体积小等优点。

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