A. 一样 B. 越大 C. 越小 D. 都不对
A. VA B. W C. Var D. KWh
A. 百分之几 B. 百分之十几 C. 百分之二十几 D. 百分之五十
A. 10,35,110,220,330,500kV B. 10.5,37,115,230,345,525kV C. 11,38,121,242,363,550kV D. 10,38.5,121,220,330,500kV