ceiling coil

例句：

1. 1. The ceiling coil is a crucial componentof the heating system.
   天花板线圈是供暖系统的关键部件。
2. 2. The engineer used a ceilingcoil to cool down the room quickly.
   工程师使用天花板线圈迅速冷却房间。
3. 3. The ceilingcoil was responsible for maintaining the temperature inthe room.
   天花板线圈负责保持房间的温度。