double sided board

例句：

1. 1. This double sided board isperfect for cutting and sanding wood.
   这个双面板非常适合切割和打磨木材。
2. 2. Theengineer used a double sided board toreinforce the structure.
   工程师使用了一个双面板来加固结构。
3. 3. The double sided boardwas designed to provide extra support for heavyloads.
   这种双面板设计用来为重载提供额外的支撑。