digital bar code wand

例句：

1. 1.This digital bar code wand is perfectfor scanning items in a warehouse.
   这个数字条形码棒非常适合在仓库扫描物品。
2. 2.The security guard used the digital bar codewand to scan the ID card ofevery visitor.
   保安使用数字条形码棒扫描了每位访客的身份证。
3. 3. The newproduct comes with a digital bar code wand that makes it easy to track inventory.
   新产品附带一个数字条形码棒，便于跟踪库存。