bolt-hole brush

例句：

1. 1. The carpenter used a bolt-hole brush to clean the holes in the wooden planks.
   木匠用螺栓孔刷子清理木板上的孔。
2. 2.The painter used a bolt-hole brush to fill in the cracks in the wallpaper.
   画家用螺栓孔刷子填补墙纸上的裂缝。
3. 3.The mechanic used a bolt-hole brush to remove rust from the engine.
   机械师用螺栓孔刷子去除引擎上的锈迹。