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在设计山区公路纵断面时,其小半径曲线通常要与上坡道相一致。在这种情况下应减小纵坡,以便补偿汽车沿曲线行驶的附加
When designing the longitudinal section of a mountainous highway, its small radius curve usually corresponds to the uphill. In this case should reduce the longitudinal slope, in order to compensate for the vehicle along the curve of the additional