名词
中文翻译：驱动齿轮
同义词：
['drivegear', 'driving gear']
例句：
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1. The car's engine is runningsmoothly with the correct driving gear.
汽车的引擎以正确的驱动齿轮运行顺畅。
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2. Thedriver needs to adjust the driving gear tomatch the speed of the vehicle.
驾驶员需要调整驱动齿轮，以匹配车辆的速度。
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3.The gearbox in the transmission system isresponsible for converting the engine'spower into the appropriate driving gear.
变速器中的齿轮箱负责将发动机的动力转换为适当的驱动齿轮。