twelve-row precision drill

例句：

1. 1. This machine is designed for precise drilling of small holes in metal.
   这台机器是为金属中精确钻孔而设计的。
2. 2.The engineer used a twelve-row precision drill to create the intricate design on the wall.
   工程师使用一个十二行的精密钻在墙上创造了复杂的设计。
3. 3. The precision drill was essential for the successful completion of the project.
   精密钻对于项目的成功完成至关重要。