fan exhaust

例句：

1. 1. The air conditioner has a fan exhaust that helps to cool the room.
   空调有一个风扇排气，有助于冷却房间。
2. 2.The fans in the office are designed to exhaust hot air from the room.
   办公室的风扇设计用来将热空气从房间中排出。
3. 3. The exhaust system is responsible for removing harmful pollutants from the exhaust gases.
   排气系统负责去除有害的废气中的污染物。