circuit n. 1.(某一范围的)周边一圈;巡回,周游;巡回路线[区域];迂路。 2.巡回审判(区);巡回律师会。 3.【电学】电路,线路;回路,环道。 4.同行业联合组织;(戏院等的)轮演系统;轮回演出(节目)[上映(影片)]的戏院。 5.事物变化的顺序。 a postman's circuit邮递员的送信路线。 closed [open] circuit【电学】通[断]路。 return circuit【电学】回路。 integrated circuit集成电路。 be in circuit with 和…接成电路。 go the circuit of 绕…环行。 make a circuit 绕远路,迂回。 make the circuit of 绕…一圈。 ride the circuit (巡回法官)作巡回审判。 vt.,vi. (绕…)环行。
Rccb . 2 1 : residual current operated circuit - breakers without integral overcurrent protection for household and similar uses rccb s ; part 2 - 1 : applicability of the general rules to rccb s functionally independent of line voltage 家用和类似用途的无整体过电流保护装置的剩余电流驱动式断路器
For the problem of monitoring the start times and operation time for the oil pump of operating circuit breakers , the oil pump operation monitoring system has been developed , a satisfactory result has been aquired in the substation operation 摘要针对运行中断路器油泵运转时间和启动次数的监视问题,研制出“油泵打压记录系统” ,并且该系统在变电站的使用中获得满意的效果。