名词
中文翻译：Unknown
同义词：
['motor brush', 'motor brushes', 'motor brushes']
例句：
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1. The electricmotor brush is used to remove dirt and debris from the motor's internal parts.
电动马达刷用于清除马达内部零件上的污垢和碎片。
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2. The technician needs to clean the motor brushes regularly to ensure smooth operation of the machine.
技术员需要定期清洁马达刷以确保机器的顺畅运行。
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3. The new design of the motor brush has improved its cleaning efficiency by 20% compared to the previous model.
新设计的马达刷比前一个型号提高了20%的清洁效率。