Constructing first-class highway in mountainous area inevitably to carry on deep cuts and high fills-in, which can form massive high steep roadbeds side slope or the slope of embankment.

  • 摘要在山区修筑高等级公路不可避免地进行深挖高填,会形成大量的高陡路基边坡或者路堤边坡。
目录 查词历史