路基整修机  mechanical subgrader

城市道路路基  urban road subgrade

道路路基  embankment; Road　subgrade; Roadbed

冻土铁路路基  railway embankments in cold regions

高速公路路基  expressway subgrade; highway subgrade; expressway foundation

高速公路路基工程  freeway subgrade engineering

高速铁路路基  thigh-speed railway subgrade; fhigh-speed railway subgrade; High-speed Railway Subgrade

公路路基  subgrade; highway roadbed; Roadbed; roadbed disease; highway foundation; highway; highway subgrade; Highway base

公路路基边坡  slope of expressway

公路路基工程  Highway subgrade engineering

公路路基勘察  bed survey

公路路基填方检测  roadbed fill inspection

路基基础  foundation of road bed

路基基床  subgrade bed; siol subgrade bed

路基基床底层  roadbed bottom

路基路面  Pavement; Roadbed and pavement; Subgrade and Pavement; Subgrade-pavement; road subgrade and pavement; sub-grade and pavement

路基路面工程  Roadbed and Road Surface Engineering

路基路面及排水设计  design of sub grade pavement and drainage

路基路面结构  road structure; subgrade and pavement structure; Subgrade and Pavement

路基修补  Road maintenance