[化] 行星齿轮

词型变化：名词复数形式 : epicyclic gears

epicyclic gear的用法和样例：

例句

Planetary gear systems are also used in many automatic transmissions.行星齿轮组也同样用于许多汽车变速器中。
The bike chain drives a sun gear on the rear axle, which transmits power to planetary gears situated around it.自行车的链条会驱动后轮轮轴上的太阳齿轮，将动力传送到四周的行星齿轮。

【近义词】

planet gear行星齿轮
planet wheel行星轮,行星齿轮...
planetary gear行星齿轮

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