题目内容

高压开关柜五防功能是（）

A. 防止误分、误合断路器；防止带负荷拉合隔离开关。
B. 防止带电挂接地线(合接地开关)。
C. 防止带接地线关(合)断路器(隔离开关)。
D. 防止误入带电间隔。

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