產(chǎn)沙率 rate of sediment production: 產(chǎn)沙率sediment-production rate: 單位面積輸沙量sediment production: 泥沙生產(chǎn)sediment rate: 沉積率average annual sediment production: 平均年泥沙沉積量下載手機詞典可隨時隨地查詞查翻譯