High-grade highway in cold area 寒区高等级公路
In loess moist subsidence area building high grade highway, it must be treat for highway subsoil. so that eliminate loessial moist subsidence and increase strength.
在湿陷性黄土地区修建高等级公路，应对公路地基进行处理，以消除黄土的湿陷性并提高其承载力，确保路基路面稳定安全。
Construct the high grade highway in the mountain area, we can't avoid meeting many high and steep cutting slope.
在山区建设高等级公路，不可避免会遇到大量的高陡路堑边坡。
This paper discusses the design methods of high-grade highway in water source protection area.
论述了水源保护区高等级公路的设计方法。
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