名词
中文翻译：无挡板驱动
同义词：
['non-geared', 'non-geared drive']
例句：
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1. The new car has a gearless drive system.
这款新车配备了无挡板驱动系统。
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2. The old car had a geared drive system.
那辆旧车有一个有齿轮的驱动系统。
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3. The gearless drive is more efficient than the geared drive.
无挡板驱动比有齿轮的驱动更高效。