名词
中文翻译：Unknown
同义词：
['electric motor', 'electric generator']
例句：
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1.The dynamos are responsible for powering the entire building.
这些发电机负责为整个建筑供电。
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2. The dynamos were installed in the factory's main hall.
这些发电机被安装在工厂的主要大厅里。
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3.The dynamos are essential for running the industrial machinery.
这些发电机对于运行工业机械至关重要。