Cli = F. um 10 = 416mA --- 24 cm ( 2 ) - 1 Team U 1 416 X X1 = 83.2 % 2LE . ... 已知 E = 24V , Pe = 5W ,问: ( 1 )当 n = 60 %时, PC 及 I 值是多少?
確定! 回上一頁