First process: Fees the glue paper and body paper into the flanging belt, fold left and right side, then the paper is integrated closely via the drum of the first layer.
First process: Fees the glue paper and body paper into the flanging belt, fold left and right side, then the paper is integrated closely via the drum of the first layer.
第一个过程：将面纸与底纸送进折边带，先折左右两边，再经第一层滚筒贴合完成。