短語詞組短語rill cut 傾斜分層;對(duì)角式分層rill wash [地質(zhì)]細(xì)溝沖刷;小溝沖蝕;細(xì)溝洗刷A Rill 一條小河untimbered rill 無支護(hù)對(duì)角工作面Rill Jul 同路過Rill Erodibility 細(xì)溝侵蝕Susan Rill 標(biāo)簽rill storage 洼地儲(chǔ)水量Robert Rill 標(biāo)簽rill erosion 細(xì)溝侵蝕，小溝沖蝕；帶狀溝蝕；細(xì)流沖蝕 返回 rill