【铁】 料面形状(Burden profile depends on the vertical distance between the impact point and the burden surface, the type of burden material, and the existing burden surface profile. But, in general, an M-shaped profile will be formed. 料面形状取决于碰撞点和料面之间的垂直距离、炉料类型以及原来的料面形状。但是一般而言将形成 M 形料面。)