大苗山山高坡陡，河流坡降大，是泥石流的多发区。
With high and sleep slopes and large river bed gradient, the Damiao Mountain is an area where mud rock flow occurs frequently.
大苗山山高坡陡，河流坡降大，是泥石流的多发区。
With high and steep slopes and large river bed gradient, the Damiao Mountain is an area where mud rock flow occurs frequently.
淹没植物的存在起阻流作用，增大了水流的坡降，使床面糙率变大。
The presence of submerged plants increased the flow gradient, hence the bed roughness became larger to resist flow.
应用推荐