Third process: After operated by the back forward gas baffler, the paper reciprocates to the drum of the third layer to perform flanging of the front side.
Third process: After operated by the back forward gas baffler, the paper reciprocates to the drum of the third layer to perform flanging of the front side.
第三个过程：纸张经后推气挡板之作用，再往复至第二层滚筒完成前边折边。