名词短语中文翻译
中文翻译：变速驱动
同义词：
['variable speed drive (VSD)', 'variable speed transmission (VST)']
例句：
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1. The car hasa variable speed drive that allows you to adjust the engine's RPMs for different driving conditions.
这辆车有一个可变速驱动装置，可以让你根据不同的驾驶条件调整发动机的转速。
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2.The new model of the car features a variable speed drive, which can be used to optimize fuel efficiency.
这款车的新款采用了可变速驱动技术，可以优化燃油效率。
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3. The driver must have a variable speed drive installed in his vehicle to comply with safety regulations.
驾驶员必须在他的车辆中安装可变速驱动装置，以符合安全规定。