sedimenter沉淀分离器
sedimentn.沉淀物
sedimentation velocity沉积速度
Sedimental environment底质环境
sedimentary structures同沉积构造
sedimentary characters沉积特征
sedimentary derivation沉积来源
sediment load sampling泥沙取样
sediment bottom sluice排沙底孔
sediment-laden flows挟沙水流
sediment control works泥沙控制设施
sediment-laden river多沙河流,多泥沙河流