sweep tube

例句：

1. 1. The sweep tube is used to clean the floor after sweeping.
   扫管用于在扫地后清理地板。
2. 2.The engineer designed a sweep tube that could reach every corner of the room.
   工程师设计了一个扫管，可以到达房间的每一个角落。
3. 3.The sweep tube was used to remove dust and debris from the air ducts.
   扫管被用来从空气管道中清除灰尘和碎片。