名词
中文翻译：减速度齿轮
同义词：
['reduction gear', 'reduction gearbox']
例句：
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1. The newengine has a cam reduction gear thatreduces the engine's RPM (Revolutions Per Minute)to 2000 RPM.
这款新发动机采用了减速度齿轮，将发动机的转速从每分钟2000转降低到1500转。
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2. The cam reduction gearis designed to reduce the noise and vibrationof the transmission.
减速度齿轮的设计旨在减少传动系统的噪音和振动。
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3. Thecam reduction gear is crucial for maintaining thesmooth operation of the vehicle's engine.
减速度齿轮对于保持车辆发动机平稳运行至关重要。