问题描述:
[问答]
“旁路直流回路并入后,牵引网最低电压上升至1.60 kV。”一句用英文表达,最简洁的是()。 A.fter we connect the bypass DC loop, the minimum voltage of the traction network rises to 1.60 kV. B.After the bypass DC loop is connected, the minimum voltage of the traction network rises to 1.60 kV. C.After the connection of the bypass Dloop, the minimum voltage of the traction network rises to 1.60 kV. D.After the connection of the bypass DC loop is done, the minimum voltage of the traction network rises to 1.60 kV.
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