longitudinal grade meaning in Chinese

纵坡度
纵向坡度

The writer put forward uneven subside index from analyzing highway transverse grade and longitudinal grade , then propose uneven subsidence formula of construction
本文从高速公路的纵、横坡要求出发，得出不均匀沉降指标，然后利用它得出工后容许沉降公式。
The existing highway design criterion only takes setting pavement longitudinal grade , side ditch and drainage ditch into account in order to eliminate surface water
现有的公路设计中，考虑较多的仅仅是通过设置道路的纵坡、边沟及排水沟等设施来排除地表水。