A.触点KM1和KM2因未接入电路均处于断开状态 B.触点KM1闭合,KM2不变 C.触点KM1闭合,KM2断开 D.触点KM1不变,KM2断开 A.触点KM1和KM2因未接入电路均处于断开状态 B.触点KM1闭合,KM2不变 C.触点KM1闭合,KM2断开 D.触点KM1不变,KM2断开 分类:结构工程师 题型:选择题 查看答案