- 问题详情:OnMay5,2017,China’shome-madepassengeraircraft(飞机)G919completedits90-minutefirstflightandlandedsafelybackatPudongAirportinShanghai.G919isdevelopedbyCOMAC,aChineseaircraftcompany.ItisdesignedtocompetewithBoeing737andAirbusA320.ThefirstC919airc...
- 7207