• An adhesion coefficient of less than 0.27 would be appropriate under dry rail surface condition.

    干燥状态下,选取常用粘着系数以不大于0.27为

    youdao

  • An adhesion coefficient of less than 0.27 would be appropriate under dry rail surface condition.

    干燥状态下,选取常用粘着系数以不大于0.27为

    youdao

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