Chinashoweditsfirst-everpassengerjetplanebuiltanddes...
问题详情: Chinashoweditsfirst-everpassengerjetplanebuiltanddesignedbythecountrytodaytothepublic-C9lgaircraft(飞行器). Thenarrow-bodyplaneisdesignedtoseat168passengers,andhasastandardflightrange...