They have decided to open their airspace to commercial aircraft.他们决定对商用飞机开放领空。The upturn in aviation traffic will help lift demand for commercial aircraft.航空交通的增加将有助于提高对商用飞机的需求量。Pilots will not be allowed to have guns in the cockpits of commercial aircraft.在商用飞机驾驶舱里，飞行员不允许带枪。