power pack
柯林斯词典
1. N a device for converting the current from a supply into direct or alternating current at the voltage required by a particular electrical or electronic device 动力组; 在特定电力装置指定的电压下将电流从供电电流转换至直流或交流电流的装置
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1. N a device for converting the current from a supply into direct or alternating current at the voltage required by a particular electrical or electronic device 动力组; 在特定电力装置指定的电压下将电流从供电电流转换至直流或交流电流的装置