As an essential component of track structure, the function of rail is to withstand the enormous pressure of the wheel, and pass it to the sleepers. It also guided train wheels move forward.
钢轨作为轨道结构的基本组成部分，具有承受车轮的巨大压力并将其传递到轨枕上，同时引导机车车辆车轮前进的功能。
As an essential component of track structure, the function of rail is to withstand the enormous pressure of the wheel, and pass it to the sleepers. It also guided train wheels move forward.
钢轨作为轨道结构的基本组成部分，具有承受车轮的巨大压力并将其传递到轨枕上，同时引导机车车辆车轮前进的功能。
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