secondary system control facility

例句：

1. 1. The secondary system control facility is responsible for monitoring the temperature and humidity levels in the building.
   次级系统控制设施负责监控建筑物内的温度和湿度水平。
2. 2.The primary system controls the main functions of the building, while the secondary system handles the details.
   主系统控制建筑物的主要功能，而次要系统处理细节。
3. 3. The secondary system control facility is crucial for maintaining the proper functioning of the building'sHVAC system.
   次要系统控制设施对于维护建筑的空调和通风系统的正常运行至关重要。