A.ZK1跳开 B.ZK2跳开 C.ZK12跳开
A.0.5℅ B.1℅ C.2℅
A.Rdls断路 B.YK4故障 C.DLS故障
A.LLC→LC→C1～C6 B.C1～C6→LC→LLC C.LC→C1～C6→LLC
A.YK1 B.YK8 C.YK2
