NTC-unit

例句：

1. 1. The NTC unit is responsible for monitoring the temperature in the room.
   NTC单元负责监测房间的温度。
2. 2. The NTC unit is used to detect and prevent fires.
   NTC单元用于检测和预防火灾。
3. 3. The NTC unit is a crucial component of the heating system.
   NTC单元是供暖系统的关键组成部分。