名词短语
中文翻译：手动控制的自由轮
同义词：
['manual control', 'manual transmission例句：1. The car has a manual control freewheeling system that allows you to easily change gears.（这辆车有一个手动控制的自由轮系统，可以让你轻松换挡。）']
例句：
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1. The car has a manual control freewheeling system that allows you to easily change gears.
这辆车有一个手动控制的自由轮系统，可以让你轻松换挡。
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2. The new model uses a manual control freewheeling system that improves fuel efficiency.
新款模型使用了手动控制的自由轮系统，提高了燃油效率。
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3. The manual control freewheeling system is designed to simplify the process of shifting gears.
手动控制的自由轮系统旨在简化换挡过程。