electric heat tracing

例句：

1. 1. The new model uses an electricheating tracing system to improve efficiency.
   这款新型模型采用了一种电加热跟踪系统来提高效率。
2. 2. The company's latest researchfocuses on developing an electric heating tracingtechnology for energy conservation.
   该公司最新的研究重点在于开发一种用于节能的电加热跟踪技术。
3. 3. The electric heating tracing system isdesigned to monitor and control the temperature ofthe building's heating system.
   电加热跟踪系统旨在监测和控制建筑物供暖系统的温湿度。