单项选择题
A.全波二极管桥式整流B.全波晶闸管桥式整流C.全波可控硅整流D.智能高频开关整流
A.200AH;12VB.100AH;12VC.200AH;24VD.100AH;24V
A.48VB.110VC.220VD.380V