名词
中文翻译：辅助轮
同义词：
['auxiliary wheel', 'auxiliary unit']
例句：
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1. The mill auxiliary is responsible for grinding the grain into flour.
磨坊的辅助设备负责将谷物磨成面粉。
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2. The auxiliary power unit provides backup power in case of a main generator failure.
辅助动力单元在主发电机发生故障时提供备用电源。
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3. The mill auxiliary is designed to reduce noise and vibration during operation.
磨坊辅助设备设计用于降低运行过程中的噪音和振动。