level crossing signal box

例句：

1. 1. The level crossing signalbox is essential for ensuring the safety ofpedestrians and cyclists.
   水平交叉信号箱对于确保行人和自行车骑行者的安全至关重要。
2. 2. The level crossing signal box is designedto prevent accidents caused by vehicles crossing theroad.
   水平交叉信号箱的设计是为了防止车辆横穿马路造成的事故。
3. 3. The level crossingsignal box is a crucial component of thetraffic control system in urban areas.
   水平交叉信号箱是城市交通控制系统中至关重要的组成部分。