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 implementation电路实现circuit changing switch电路转换开关circuit fault diagnosis电路故障诊断circuit board detection电路板检测circuit-switched data电路交换数据circuit theory analysis电路理论分析circuit tracing machine电路绘图机circuit interconnection电路连接circuit breaker cabinet断路器柜Circuit analysis system电路分析系统