Railroad signaling
01
铁路信号, 铁路信号系统
a system of signals and signs used to control train movements and ensure safety on the tracks
例子
The conductor checked the railroad signaling before the train left the station.
列车长在火车离开车站前检查了铁路信号系统。
Railroad signaling helps prevent accidents by managing train traffic.
铁路信号通过管理列车交通帮助预防事故。



























