电回路，励磁回路，激励回路

energized circuit的用法和样例：

例句

The spacing between uninsulated live parts of different circuits involving different voltages shall be not less than that required for the circuit of the higher voltage.不同电路中的不同电压下的未加绝缘的带电部件之间的间隔应不小于较高电压电路的间隔要求。

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