pinion gear 小齿轮;行星齿轮
- Worn teeth on ring gear or drive pinion gear.
环形齿轮或驱动小齿轮上齿磨损。 - The pinion gear is attached to the steering shaft.
该齿轮连接转向轴。 - The starter motor is a simple direct current (DC) motor which has a pinion gear attached to its shaft.
启动电机是一个简单的直流电机,在它的轴上有一个小齿轮。
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