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内桥接线适合于()。

单选题
2021-07-17 23:26
A、线路较短,变压器需要经常切换的场合
B、线路较长,变压器不需要经常切换的场合
C、线路较多,只有两台变压器的场合
D、只有二条出线,变压器台数较多的场合
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正确答案
B

试题解析

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