a system of air transportation in which local airports offer air transportation to a central airport where long-distance flights are available
n the evacuation of persons (usually by air transportation) to a place where they can receive medical care
the evacuation of persons (usually by air transportation) to a place where they can receive medical care
air transportation cargo insurance
[经] 航空运输货物保险
air transportation insurance
[经] 航空运输保险
air transportation system
[网络] 空运系统
