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铁路桥梁护轨的作用是当机车车辆在桥头或桥上脱轨时,护轨可将脱轨车轮限制于护轨与基本轨之间的轮缘槽内,继续顺桥滚出,以免机车车辆向旁偏离撞击桥梁或自桥上坠下造成严重事故。此外,也有可能帮助已脱轨的机车车辆
The function of railway bridge guardrail is to limit the derailment wheel to the rim groove between the guard rail and the basic rail when the locomotive vehicle derails on the bridgehead or the bridge and continue to roll out along the bridge to avoid locomotive vehicles Deviate from impacting the bridge or falling from the bridge causing serious accidents. In addition, it is possible to help derailed rolling stock