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关于列车走行时钢轨支承条件的变化对钢轨变形的影响问题,尽管早就需要了解,但因其解析非常复杂,过去的研究未必很充分。 最近,刘其中急需决定的三种情况进行了
The influence of rail bearing conditions on the deformation of the rail during train travel has not been fully studied in the past due to its complicated analysis, although it has long been known. Recently, three situations that Liu urgently needed to decide were underway