名词中文翻译
中文翻译：无齿轮发动机
同义词：
['unsprung engine', 'ungeared motor例句：1. The new car has an ungeared engine that makes it more fuel-efficient.（这款新车配备了无齿轮发动机，使其更加节油。）']
例句：
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1. The new car has an ungeared engine that makes it more fuel-efficient.
这款新车配备了无齿轮发动机，使其更加节油。
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2. The old tractor had a ungeared engine that could run for hours without needing to be refilled.
旧拖拉机有一个无齿轮发动机，可以连续运行数小时而无需补充燃料。
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3. The engineer was tasked with replacing the ungeared engine in the factory's newest model.
工程师被指派负责更换工厂最新型号中无齿轮发动机的任务。