gully erosion
短语词组
- rill gully soil erosion 溯源侵蝕
- gully head erosion 溝頭侵蝕
- protection of gully head erosion 溝頭防護
- hillslope -gully slope erosion system 坡溝系統
- hill slope -gully side erosion system 坡麪
- harm of gully erosion 侵蝕危害
- gully and valley erosion 溝穀侵蝕
- gully erosion development process 溝蝕縯變
- collapse gully erosion 崩崗侵蝕 返回 gully erosion