路基压实质量
subgrade compaction quality
冻土铁路路基
railway embankments in cold regions
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
公路路基工程
Highway subgrade engineering
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