1) continuous upgrade sections
长大上坡路段
1.
However, due to the limits of the mountainous area highway\'s terrain, topography, complex geological conditions, environmental protection , construction difficulties and other factors, designers have to use the larger slopes or the longer slope lengths to make the mountainous area highways continuous upgrade sections.
但是由于山区高速公路地形、地貌、地质条件复杂,环境保护工作难度大,工程施工困难等因素的限制,不得不采用较大或较长的纵坡,形成了山区高速公路长大上坡路段,致使大型车辆运行在这些坡段时速度会发生较大的变化,对高速公路的通行能力和交通安全产生很大的影响。
3) long and steep downgrade
长大下坡路段
1.
Speed prediction model of free-flowing passenger car on long and steep downgrades
公路长大下坡路段小客车运行速度预测模型
5) Long Slope Road Section
长坡路段
1.
A Survey on the Traffic Safety of Long Slope Road Section in Mountainous Areas and Its Control Measures;
山区公路长坡路段的交通安全勘察与治理
6) continuous long downgrade section
连续长大下坡路段
1.
Analysis of traffic accident characteristic on continuous long downgrade section
连续长大下坡路段交通事故特征分析
补充资料：长大
1.体貌高大壮伟。 2.指体貌高大壮伟的人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条