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epicyclic gear的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
an outer gear that revolves about a central sun gear of an epicyclic train
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。
