西欧铁路
Key Words: railways in Western countries
冻土铁路路基
railway embankments in cold regions
高速铁路路基
High-speed Railway Subgrade
thigh-speed railway subgrade
fhigh-speed railway subgrade
公路铁路两用桥
road rail bridge
highway and railway bi-purpose bridge
rail-cum-road bridge
公路－铁路两用桥
bi-purposed bridge for highway and railway
铁路路堤填料
filling material for railway embankment
铁路路基
railway foundation
Railway sub-grade
railway subgrade
railroad subgrade
railway roadbed
Railway bed
railroad bed
Railway embankment
railway subgrade compaction
railway formation
permafrost
subgrade
铁路路基检测
Inspection of Railway Subgrade
铁路路况识别系统
automatic railway condition recognition system