- 問題詳情:OnMay5,2017,China’shome-madepassengeraircraft(飛機)G919completedits90-minutefirstflightandlandedsafelybackatPudongAirportinShanghai.G919isdevelopedbyCOMAC,aChineseaircraftcompany.ItisdesignedtocompetewithBoeing737andAirbusA320.ThefirstC919airc...
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