信号: signal; semaphore; gun复式: compound; multiple; double系统: system双重复式系统: dual-dual system站内复式系统: station multiple中继线复式系统: trunk multiple信号复示器: signal repeater信号复原: signal restoring程序信号复归: program signal resetting信号复示器箱: signal repeater box二极管信号复接器: diode multiplexer红灯信号复示器: red signal repeater绿灯信号复示器: green signal repeater数字信号复接器: digital multiplexer信号复原机械接触器, 信号复原机械踏板: mechanical replacement treadle包办式系统: turnkey system笔式系统: pen system闭合式系统: closed system; closedsystem闭式系统: close cycle system壁板式系统: embedded panel system步进式系统: stepping system插入式系统: break-in system产生式系统: production system; productive system敞开式系统: open type system充满式系统: filled system
