理论分析表明：行星轮公转与自转的速比，影响着每个切削刀具的阻力矩的大小与方向；
Theoretical study shows that the ratio of revolution velocity to rotation velocity will affect the magnitude and direction of resistance moment of all the cutters.
地球自转所产生的离心力矩是大陆离极运动的原因，由此而产生的极移使地球发生相应的形变。
The centrifugal torsion caused by earth rotation is the reason that the continents move of the pole. It makes the pole drift and the crust deformed.
为此，文章提出了以大截面塑料螺旋线取代钢丝螺旋线解决传热管壁的磨损问题，以预旋结构的管口轴承座-冲推动力轮来强化自转塑料螺旋线的清洗动力矩。
This paper proposes a new way, in which the plastic twisted strip-inserts are used to solve the wear and tear problem and the special inlet bearing enlargest.
为此，文章提出了以大截面塑料螺旋线取代钢丝螺旋线解决传热管壁的磨损问题，以预旋结构的管口轴承座-冲推动力轮来强化自转塑料螺旋线的清洗动力矩。
This paper proposes a new way, in which the plastic twisted strip-inserts are used to solve the wear and tear problem and the special inlet bearing enlargest.
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