名词
中文翻译：中心轮
同义词：
['central gear', 'central wheel', "central pinion例句：1. The car's engine is running smoothly with the new centre pinion installed.（安装新的中央齿轮后，汽车发动机运行平稳。）2. The engineer carefully adjusted the centre pinion to ensure smooth operation of the machine.（工程师仔细调整了中央齿轮，以确保机器的顺畅运转。）"]
例句：
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1. The car's engine is running smoothly with the new centre pinion installed.
安装新的中央齿轮后，汽车发动机运行平稳。
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2. The engineer carefully adjusted the centre pinion to ensure smooth operation of the machine.
工程师仔细调整了中央齿轮，以确保机器的顺畅运转。
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3. The old model had a worn-out centre pinion that needed replacement.
旧型号的中央齿轮磨损严重，需要更换。