on air

• There is availability to toronto on air canada on the 11th
  加航班在11日有班机去多伦多。
• He mixed freely with the people , never putting on airs
  他和群众打成一片，从来不摆架子。
• Progress on air - conditioning of coal mine
  高温矿井降温空调的概况及进展
• Studies on air contamination caused by acarid mites
  尿螨病的病原学研究
• After he heard the news he trod on air
  听了这一消息后，他得意洋洋。
• The influence analysis of air flow organization on air quality
  气流组织对空气品质的影响分析
• Conversion of technical and economic analysis on air cooled unit
  空冷机组的技术经济分析比较
• I ' ve been walking on air since i met her for the first time
  当我第一次见到她是就感到很开心
• It moves as a mass , pushing on air in other places
  它形成气团移动，把空气推移到另一个地方。
• Hon emily lau raised a question on air quality objectives
  刘慧卿议员就空气质素指标提出质询。