名词
中文翻译：手倒档齿轮
同义词：
['reverse gear', 'reverse clutch', 'reverse gearbox']
例句：
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1. The car's hand reversing gear makes it easy to switch between driving forward and backward.
这辆车的手倒档让换向变得容易。
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2.The mechanic replaced the faulty hand reversing gear with a new one.
技师用一个新的来替换了故障的手动倒档装置。
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3. When driving on a hill, you should use the hand reversing gear to avoid getting stuck in the mud.
在上坡时，你应该使用手倒档以避免陷入泥泞。