Second process: After operated by the front forward gas baffler, the paper reciprocates to the drum of the second layer to perform flanging of the backside.
后
板之作用，再往复至第二层滚筒完成
边折边。
Second process: After operated by the front forward gas baffler, the paper reciprocates to the drum of the second layer to perform flanging of the backside.
后板之作用，再往复至第二层滚筒完成边折边。
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.
板之作用，再往复至第二层滚筒完成后边折边。
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过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
