随着铁路建设的发展,作为铁路运输生产基础之一的铁路信号设备也发生了日新月益的变化。目前发光二极管信号机,也从无到有,得到了广泛的应用。本文将对轨道交通出段三显示XSLE型LED信号机的原理与维修入手,探讨在城市轨道交通中LED信号机的维护特点。
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