我国电力网目前的额定电压主要有( )。
A3kV,6kV,10kV,35kV,l10kV,220kV,330kV,500kV
B3kV,6kV,10kV,35kV,154kV,300kV,500kV
C3kV,6kV,10kV,35kV,66kV,154kV,230kV,500kV
D3kV,6kV,10kV,35kV,115kV,230kV,300kV,500kV
A3kV,6kV,10kV,35kV,l10kV,220kV,330kV,500kV
B3kV,6kV,10kV,35kV,154kV,300kV,500kV
C3kV,6kV,10kV,35kV,66kV,154kV,230kV,500kV
D3kV,6kV,10kV,35kV,115kV,230kV,300kV,500kV