短語詞組短語sediment t yield 産沙量sediment -yield intensity 産沙強度underlying surface type of sediment -yield 産沙地類Runoff -sediment-yield volume 産流産沙量watershed sediment yield 流域産沙量modulus of sediment yield 産沙模量;輸沙模數(shù)natural sediment yield 土壤自然侵蝕量specific sediment yield map 産沙模數(shù)圖 返回 sediment yield