air quality control

例句：

1. 1. The city government has implemented strictair quality control measures to reduce pollution.
   市政府已经实施严格的空气质量控制措施来减少污染。
2. 2.The new air quality control system is expectedto improve the air quality in the area.
   新的空气质量控制系统预计将改善该地区的空气质量。
3. 3. Thecompany's air quality control department monitors and regulates the factory'semissions.
   公司的空气质量控制部门监测和调控工厂的排放。