短語詞組短語overland d flow 坡面漫流;表面徑流overland sink flow 坡面匯流overland sheet flow 坡面流overland flow concentration curve 坡面匯流曲線concentrated overland flow 集中徑流velocity of overland flow 地表漫流速度overland flow concentration 坡面匯流overland flow hydrograph 地表徑流過程線;漫地流歷線 返回 overland flow