heat-supply system based upon industrial waste heat

例句：

1. 1. The heat-supplysystem is designed to provide heating for theentire building.
   供热系统旨在为整个建筑提供供暖。
2. 2. The new energy-efficient heat-supply system has greatly improvedour energy efficiency.
   新型节能的供热系统大大提高了我们的能源效率。
3. 3. Theheat-supplysystem is crucial for maintaining acomfortable indoor environment.
   供热系统对于保持室内舒适环境至关重要。