單項(xiàng)選擇題

額定電壓10kV,35kV,110kV,220kV高壓斷路器所對(duì)應(yīng)的最高工作電壓分別是()。

A.10.5kV,40.5kV,121kV,252kV
B.10.5kV,40.5kV,126kV,230kV
C.12kV,37.5kV,121kV,230kV
D.12kV,40.5kV,126kV,252kV

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