driving pinion

• 主动小齿轮,驱动小齿轮,织小齿轮

driving pinion的用法和样例：

例句

1. Worn teeth on ring gear or drive pinion gear.
   环形齿轮或驱动小齿轮上齿磨损。
2. Refer to Drive Pinion Bearing Pre-Load Adjustment.
   参阅驱动小齿轮轴承预荷调整。