??????7????C919?
????:2024-07-30 12:27:27 ??:????
????:????:?????????
????,7??????29????????????,?7??????C919?
????,??????????B-919H?????????????C919??????MU9006????,????,?????????????3????C919??,???????C919???7???????????
????C919?????????????????4???,???????????????????,???????“???”?
(?? ????? ???? ???????? ????)
???:?????????
????
