短語詞組短語semi arid loess hill region 半乾旱黃土丘陵區(qū)loess hill -gully region 黃土丘陵溝壑loess hill and gully region 黃土丘陵區(qū)Junger loess hill -gully region 準(zhǔn)格爾黃土丘陵溝壑區(qū)loess hill semi -arid region 黃土丘陵半乾旱區(qū) 返回 loess hill region