regeneration air

例句：

1. 1. The city's air quality has improved significantly since the implementation of regeneration air purification systems.
   自从实施了再生空气净化系统以来，该市的空气质量已显著改善。
2. 2. During the regeneration process, the waste heat is converted into useful energy.
   在再生过程中，废热被转化为有用的能量。
3. 3. The company's commitment to environmental sustainability is reflected in its efforts to reduce regeneration air emissions.
   该公司对环境可持续性的承诺体现在其努力减少再生空气排放的努力中。