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室内供配电是指从建筑物的配电室或配电箱,至各层分配电箱或各层用户单元开关箱之间的供配电系统,室内供配电系统一般是低压配电系统。
Indoor power distribution refers to the power distribution system from the distribution room or distribution box to the distribution of electricity at all levels or between the user unit switch box, indoor distribution system is generally low-voltage power distribution system.