坝基基岩监测
monitoring of dam base rock
轨道-路基-岩质边坡
track-subgrade-cutting slope
红砂岩路基
road-bed of red-sandstone
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