差: send on an errand; dispatch信号: signal; semaphore; gun控制: control; dominate; regulate; ...信号控制: sc sigmal control; signal control信号控制点: scsignal control point信号控制符: sign control symbol信号控制盘: annunciator panel信号控制器: signal controller信号控制区: signal control area信号控制箱: signal control box单点信号控制: area-wide control定时信号控制: fixed-time control强信号控制器: strong signal control同步信号控制: synchronized-signal control信号控制单元: signaling control unit信号控制电路: signal control circuit信号控制电码: signal control code信号控制系统: whistle control system; whistlecontrolsystem远程信号控制: remote signal control半感应式信号控制: semi-actuated signal control道口信号控制盘: highway level crossing signal control panel调车信号控制箱: shunting signal controller定时信号控制机: pretimed controller, timing controller分路监听信号控制: mon send分路效果信号控制: eff send
