本文推导了拉维娜式行星齿轮变速器的运动特性方程。
This paper derives the motion property equation for Ravigneaux planetary transmission.
由于行星齿轮轴和变速器壳体螺栓固定，它会和变速器壳体一起旋转。
Since the pinion shaft is bolted to the case, it revolves with the case.
由于行星齿轮轴和变速器壳体螺栓固定，它会和变速器壳体一起旋转。
Since the pinion shaft is bolted to the case, it revolves with the case.
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