clean air zone編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看clean air zoneclean air zone — 名詞名詞1. an area where vehicle emissions are restricted to improve air quality1.名詞釋義空品區an area where vehicle emissions are restricted to improve air quality例句London's Ultra Low Emission Zone is a type of clean air zone.