Familiar controls drawing, electrical system trouble shooting. Components install and trouble shooting.
电路图纸熟悉。电路故障查修，元器件安装，联接。
They include equipment that protects and controls the flow of electrical power.
变电站包括保护和控制电流设备。
Power pack: the component which supplies and controls electrical current to other computer components.
电力组装：供应及控制其他电脑组件的电流的元件。
Power pack: the component which supplies and controls electrical current to other computer components.
电力组装：供应及控制其他电脑组件的电流的元件。
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