... of the powdery supplies , joining and rolling one slice of main hoppers evenly , enable rolling and keeping the invariable material location ... . ) Suitable for two chlorine different cyanogen uric acid sodium, three chlorine different cyanogen uric acid, oxidize the zinc, oxidize the ... hopper) 2.Roll an aircrew to the roller 3.Framework platform 4.Broken whole machine 5.Mesh screen (according to the ...