bar dowel

例句：

1. 1. This machine can scan and recognize bar codes quickly.
   这台机器可以快速扫描并识别条形码。
2. 2.The bar dowel is used to secure the edges of a tablecloth.
   条形棒用于固定桌布的边缘。
3. 3. In this case, the bar dowel was used as a guide for cutting the fabric.
   在这种情况下，条形棒被用作切割布料的指南。