circuitaladj.线路的(循环的)circuitn.巡回；线路；环形；电路；回路v.巡回；绕 ... 环形circuit averaged model电路平均模型circuit network method电路网络法circuit_service tester电路维修测试仪circuit operating time电路操作时间circuit control office线路控制局circuitimplementations电路实现circuit boards testing电路板检测circuit gain stability电路增益稳定度circuit training board电路排列板circuit switching unit电路交换装置