连续: 6年未出事故. There have been no a ...试验: experiment; test; trial信号: signal; semaphore; gun控制器: controller; regulator; monit ...信号控制器: signal controller强信号控制器: strong signal control连续试验: long run test; long-run test试验信号: test signal全车动式信号控制器: full traffic-actuated controller生物参考信号控制器: biological reference signal controller标号控制器: labeling control差信号控制: difference signal control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
