slot borer

例句：

1. 1. The machine was designed to fit into the slot of the wall.
   这台机器被设计成能适应墙面的槽口。
2. 2. The technician used a slot borer to remove the old paint.
   技术员使用槽钻器来去除旧油漆。
3. 3. The slot borer is essential for installing electrical wiring.
   槽钻器对于安装电线至关重要。