This paper introduces a method of longitudinal slope design for vertical alignment smoothly transition.

为使路线交叉连接部处纵面线形平顺过渡，介绍了一种纵面坡度设计方法。

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This paper introduces a method of longitudinal slope design for vertical alignment smoothly transition.

为使路线交叉连接部处纵面线形平顺过渡，介绍了一种纵面坡度设计方法。

youdao