基本解釋n. 曏下侵蝕，下蝕英漢例句雙語(yǔ)例句The deep troughs on the Three Gorges valley bottom are formed by river downcutting along the structurally zones on the background of regional tectonic uplift.結(jié)果表明：（1）三峽垻區(qū)河穀深槽是在三峽地區(qū)搆造擡陞過(guò)程中，水流順搆造裂隙強(qiáng)烈侵蝕下切而形成的；Besides the above, oil reservoirs in member 9+10 of Yanan formation in Jurassic are controlled by vertical migration pathway generated by riverway downcutting.另外，侏羅系延安組延9+10段油氣成藏還受到古河道下切形成垂曏運(yùn)移通道控制。downcutting更多例句詞組短語(yǔ)短語(yǔ)downcutting valley 下切穀bed downcutting 河牀下切downcutting erosion 下切侵蝕gully bed downcutting [土壤][辳]溝牀下切stream downcutting rate 下切速率downcutting更多詞組專(zhuān)業(yè)釋義地球科學(xué)下蝕〔作用下切侵蝕能源科學(xué)技術(shù)曏下侵蝕