坡度差
- 网络algebraic difference between adjacent gradients; difference in gradients; b-aa
坡度差坡度差
algebraic difference between adjacent gradients
... 坡段长度 length of grade section 坡度差 algebraic difference between adjacent gradients 竖曲线 vertical curve ...
difference in gradients
坡度差（difference in gradients）相邻坡段坡度差的绝对值。纵断面的坡段有上坡、下坡和平波；上坡的坡度为正值，下坡的坡 …
b-aa
前后坡度差（b-a>a）可以达到15～30mm之多。里外侧厚度差（d-c>c）为3～8mm为宜。