短語(yǔ)詞組短語(yǔ)runoff production change 産流變化surface runoff time change 逕流時(shí)間變化rainfall -runoff change 降水─逕流變化river runoff change 河川逕流變化annual Runoff change 年逕流變化change in runoff 水沙變化the change of runoff 逕流變化change in runoff of summer 夏季流量變化change of runoff and sediment 水沙變化 返回 runoff change