• 1. power-driven wheel: 动力驱动的行走轮

• 1.Power reached the screw axis, Driven by the star wheel rotating screw.
  动力传到螺杆轴上，由螺杆带动星轮旋转。
  dict.yoduao.com
• 2.This paper analyses the difference between the driving wheel and driven wheel when calculating the power which the rolling resistance expends in wheel machine.
  分析了轮式机械滚动阻力消耗功率计算中驱动轮和从动轮之间的差异，给出了一般计算公式，为轮式机械的设计提供了参考。
  dict.yoduao.com

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