| 摘要 |
<p>A composite board with a honeycomb cardboard has a top board and bottom board pasted to both sides of the honeycomb cardboard. The honeycomb cardboard, top board, and bottom board form an integrated composite board. The honeycomb cardboard consists of bottom paper, top paper and honeycomb paper. The top paper and bottom paper are pasted to both sides of the honeycomb paper. A fortifier can be added between top board and the bottom board. There is a sealing edge which can adopt different structures and qualities.</p> |
