单选题:35kV架空电力线路设计中,在最低气温工况下,应按下列哪一种情况计算?( )

题目内容:
35kV架空电力线路设计中,在最低气温工况下,应按下列哪一种情况计算?( ) A.无风,无冰
B.无风,覆冰厚度5mm
C.风速5m/s,无冰
D.风速5m/s,覆冰厚度5ram
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答案解析:

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