铁路沿线的信号设备（trackside equipment） 无锡地铁官方微博今日发布一组照片，显示地铁西漳车辆段已经开始安装轨旁信号机。
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trackside signalling equipment box 路轨旁讯号仪器箱
trackside radio communication equipment 轨旁无线设备
Operation control system including the central dispatch management system, trackside equipment, Vehicle on-board equipment and communication system.
运行控制系统包括中央调度管理系统、轨旁设备、车载设备和通信子系统四大部分。
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He added cables, points, signals and trackside equipment had been under water and would have to be inspected and repaired if necessary.
BBC: Somerset and Devon trains disrupted 'for up to a week'
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