题目内容 (请给出正确答案)
提问人:网友w*****2 发布时间:2022年6月22日 20:40
[单项选择题]

同级电压线路相互交叉或与较低电压线路、通信线路交叉时的两交叉线路异线间或上方线路导线与下方线路地线的最小垂直距离,不得小于下列哪一项数值?()

A.6~10kV,2m

B.20~110kV,3m

C.220kV,4m

D.330kV,6m

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