hank scouring machine

例句：

1. 1. The hank scouring machine is used to clean the floor.
   刷毛机用来清洁地板。
2. 2. The engineer designed a new hank scouring machine for the factory.
   工程师为工厂设计了一种新型的刷毛机。
3. 3. The hank scouring machine was very effective in removing dirt and grime from the surface.
   刷毛机在去除表面污垢方面非常有效。