machine drill

例句：

1. 1. The machine drilling is the most common way to make holes in metal.
   机械钻孔是最常见的在金属中打孔的方法。
2. 2.The engineer used a machine drill to remove the old screws.
   工程师用机器钻头来移除旧螺丝。
3. 3.The machine drill is essential for precision work such as carpentry.
   机器钻对于精确工作如木工来说是必不可少的。