111111

<{p}><{b}>如图，正常运行时，母联断路器3QF断开，断路器1QF、2QF闭合，是标准的（）。<{/b}><{/p}>

发布于 2023-03-18 18:37:06

【单选题】
A <{p}><{b}>低压母线分段备自投接线<{/b}><{/p}>
B <{p}><{b}>变压器备自投接线<{/b}><{/p}>
C <{p}>进线备自投接线<{/p}>

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