fan-coil unit

例句：

1. 1. The new air conditioner has a fan coil unit that can cool the entire room quickly.
   这款新的空调有一个风扇线圈单元，可以迅速冷却整个房间。
2. 2.The fan coil unit is responsible for distributing air throughout the house.
   风扇线圈单元负责在整个房屋中分配空气。
3. 3.The fan coil unit was designed to improve the efficiency of the air conditioning system.
   风扇线圈单元被设计用来提高空调系统的效率。