drying air duct

例句：

1. 1.The dryer uses a duct to distribute the hot air evenly throughout the room.
   烘干机使用一个管道将热空气均匀地分布在房间内。
2. 2. The air duct was clogged and caused a significant delay in the heating process.
   空气管道堵塞，导致加热过程严重延误。
3. 3. The engineer inspected the air ducts for any signs of damage or leakage.
   工程师检查了空气管道，以查找任何损坏或泄漏的迹象。