bracket-drilling machine

例句：

1. 1.The bracket-drillingmachine is used to drill holes in metalparts.
   夹具钻床用于在金属部件上钻孔。
2. 2. The engineer carefully adjusted thebracket-drilling machinebefore starting the work.
   工程师在开始工作前仔细调整了夹具钻床。
3. 3.The bracket-drillingmachine was the only tool available for makingprecise cuts on the metal sheet.
   夹具钻床是制作金属板材精确切割的唯一工具。