U491
杨昌凤,余蜀予.基于施工及救援因素的艰险山区公路路线方案研究[J]. Journal of China and Foreign Highway,2023,43(5):273-276.
YANG Changfeng, YU Shuyu. Research on route scheme of highway in difficult and dangerous mountainous area based on construction and rescue factors[J]. Journal of China and Foreign Highway,2023,43(5):273-276.