airwayn.空中航线；通风孔；气道airway resistance呼吸阻力airway protection航空防护airway management气道处理airway lighthouse航空灯塔,航路灯塔Airway epithelium呼吸道上皮airway reactivity气道反应性Airway irrigation气道冲洗airway remodeling气道重塑airway obstruction气道梗阻； 气道堵塞Airway remodelling气道重构