[单选题]

我国电力网目前的额定电压主要有( )。

A.3kV,6kV,10kV,35kV,l10kV,220kV,330kV,500kV

B.3kV,6kV,10kV,35kV,154kV,300kV,500kV

C.3kV,6kV,10kV,35kV,66kV,154kV,230kV,500kV

D.3kV,6kV,10kV,35kV,115kV,230kV,300kV,500kV

参考答案与解析: