名词中文翻译
中文翻译：变速箱第五速齿轮
同义词：
['countershaft', 'gearbox', 'transmission gear']
例句：
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1.The new car has a countershaft fifth speed gear that makes it easy to shift gears.
这款新车配备了第五速变速箱，使得换挡变得轻松。
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2.The engineer was able to adjust the countershaft fifth speed gear to optimize fuel efficiency.
工程师能够调整第五速变速箱，以优化燃油效率。
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3. The truck's countershaft fifth speed gear is designed to handle heavy loads and provide reliable performance.
卡车的第五速变速箱设计用于承受重载并提供可靠的性能。