220kV/330kV/500kV送电线路跨越弱电线路及电力线路时,其最小垂直距离为()。A.3.5m/4.5m/8m; B.4m/5m/8.5m; C.4.5

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问题 220kV/330kV/500kV送电线路跨越弱电线路及电力线路时,其最小垂直距离为()。

选项 A.3.5m/4.5m/8m;
B.4m/5m/8.5m;
C.4.5m./5.5m/9m;
D.5m/6m/9.5m。

答案B

解析
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