名词
中文翻译：主轴低档和倒档滑动齿轮同义词
同义词：
['mainshaft', 'main shaft', 'low-speed gear例句：1. The mainshaft of the car is responsible for transmitting power from the engine to the wheels.（汽车的主轴负责将发动机的动力传递到车轮。）']
例句：
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1. The mainshaft of the car is responsible for transmitting power from the engine to the wheels.
汽车的主轴负责将发动机的动力传递到车轮。
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2. The low and reverse sliding gearsin the transmission allow for smooth shifting betweengears.
变速器中的低速倒档滑块允许平滑地在齿轮之间切换。
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3. Theengineer had to replace the mainshaftlow and reverse sliding gear due to wearand tear.
由于磨损，工程师不得不更换主轴的低速倒档滑块。