白卡纸英语

laminating

白卡纸ivoryboardartpostpaperboard白板纸whiteboard

beam splitter

复光膜complexfilm复光膜complexfilm

纸张：paper页: page笔记本:notebook印刷: print纸浆:pulpone side 单面two sides双面举例：Specifications include, but are not limited to: 8½" X 11 black and white copies, one side 24 lb. paper 8½" X 11 black and white copies, two sided on 24 lb规格必须包括如下，但不局限于此：8.5X11英寸黑白单面复写本，24磅；8.5X11英寸黑白双面复写本，24磅。