major source area of the coarse sediment
abundant and coarse sediment area
abundant and coarse sediment area of north Shaanxi
coarse sediment source of Yellow River
Rich and Coarse Sediment Area
sandy and coarse sediment area
area with abundant and coarse sediment
areas with sand and coarse sediment
coarse and overburden sediment area
Coarse Sediment Concentrated Region
deposit coarse sediment and release fine sediment
diverting the coarse sediment
heavy and coarse sediment load area
area source diffusion model