短語詞組短語slope soil erosion 坡面土壤侵蝕的slope gully erosion 坡溝侵蝕hill slope soil erosion 坡面土壤侵蝕slope disintegration erosion 崩崗侵蝕slope surface erosion 坡面沖刷slope erosion treatment 邊坡沖刷防治Slope erosion experiment 邊坡沖刷試驗 返回 slope erosion