常見例句Ratio Producing Runoff and Sediment from More Sediment andCoarse Sediment Region Occupying Total Runoff and Sedimentin the Middle Reaches of Yellow River 黃河多沙粗沙區(qū)產(chǎn)水產(chǎn)沙對(duì)中游來水來沙的貢獻(xiàn)率 返回 sedimentin