色: colour灯: lamp; lantern; light彩色灯信号: colour light signal色灯信号: [土] colour-light signals色灯信号机: color light signal; colour light signal位置色灯信号: position light signal矮型色灯信号机: ground colour light signal信号系统: beaconage; signal system; signal sytem; signaling system信号系统图: signaling diagram保安信号系统: protective signaling system报警信号系统: alarm signal system闭塞信号系统: block signal system闭锁信号系统: block signal system; block-signal system地区信号系统: area signal system第二信号系统: second signal system; secondary signal system; secondary signaling system第一信号系统: [生理学] the first signal system电子信号系统: electronic signaling system二级信号系统: secondary signal system; secondarysignal systemm发光信号系统: luminous-signal system辅助信号系统: auxiliary signaling system告警信号系统: alarm signal system国际信号系统: international signalling system火警信号系统: fire alarm system; fire warning system警报信号系统: alarm signal system; alarm signalling system; alarm system; annunciator system警告信号系统: warning system