air pre ure reducer空氣減壓器air proof氣密的air pump空氣泵air register空氣活門air relief cock放氣塞air reservoir儲氣筒air resistance空氣阻力air shock wave空氣激波air eed空氣速率air eed indicator空氣速率唆使器air streamline空氣吝air tank空氣箱air temperature氣溫air tight氣密的air to air mi ile空對空導彈air trajectory空氣軌跡air wave空氣波air wedge空氣楔aircraft dynamics飛機動力學airfoil機翼airfoil profile翼型airfoil section翼剖面airfoil theory機翼理論airle injection無氣噴射airline飛翔航線airlock氣鎖airmechanics空力量學airplane飛機airscrew空氣螺旋槳airship飛艇airway航路airy stre function愛里應力函數algebraic stre model代數應力模型