名词
中文翻译：Unknown
同义词：
['行星轮系、行星齿轮箱、行星齿轮传动装置例句：1. The planetary gears are responsible for transmitting power from the engine to the wheels.（行星齿轮负责将发动机的动力传递到车轮。）']
例句：
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1. The planetary gears are responsible for transmitting power from the engine to the wheels.
行星齿轮负责将发动机的动力传递到车轮。
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2. The planetary gears in this car are designed to improve fuel efficiency and reduce emissions.
这款车的行星齿轮设计用于提高燃油效率和减少排放。
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3. The planetary gears in the transmission system are crucial for smooth operation of the vehicle.
变速器系统中的行星齿轮对于车辆的平稳运行至关重要。