sedimentatevt.沉积
sedimentn.沉淀物
sediment deposition and erosion泥沙冲淤
sediment flushing bottom outlet排沙底孔
sediment on the high floodplain高漫滩沉积
Sedimentary-exhalative system喷流沉积系统
sediment-carrying water right输沙水权
Sediment grain-size parameter沉积物粒度参数
sediment-carrying coefficient携沙系数
sedimentary petrologic province沉积岩区