半干旱黄土丘陵沟壑区
semiarid loess hilly-gully regions
semiarid Loss Hilly and Gully
半干旱黄土丘陵区
Semiarid loess hilly and gully region
Semiarid loess hilly region
semi-arid Loess Hill Region
semi-arid loess hill area
semiarid hilly area of the Loess Plateau
半干旱黄土区
semiarid loess area
semi-arid loess area
semi-arid loess hilly and gully region
半湿润黄土丘陵区
semi-humid rolling loess region
大别山北麓黄土
less on the northern slope of the Dabie Mountain
大断面黄土隧道
Large section loess tunnel
Large-section Loess Tunnel
large cross-section loess tunnel
Loess tunnel with large cross-section
Large-cross-section loess tunnels
large-cross-section loess tunnel
大厚度自重湿陷性黄土
self weight collapse Loess with big thickness