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。

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.

youdao

而向外发散的阳线（点），其作用力是XX（抗万有引力?），作用点还是在河之中心；

But disperses Masculine line(Spot) to outside, its action is XX (anti-gravitation?) Function Spot or center of in the river;

youdao

而向外发散的阳线（点），其作用力是XX（抗万有引力?），作用点还是在河之中心；

But disperses Masculine line(Spot) to outside, its action is XX (anti-gravitation?) Function Spot or center of in the river;

youdao