????:1??????????:????????

2????????

3?????????

4??????95?98?

5???????????

2025??????????????????1??1????????

???????????

???

???????????

??

??

2025?????????

????

2025?

????????

?????????? ????

???

?????

????????

2025?????????????

????

??????? ????????

2025??

???????????????

????2025???????

??

??????

?????????????

????????????????

????

?

2025????

?????

????????“??????”

???????41????????????

???????

?????

???????????74°56'

?

2025???????

??????????

2025?

C919????????????????“?????”

???

???????C919?????????

MU721“?????????????????”???????????????

??????

?????

C919??????“??????”????????

?“??”??????????

?????

????????????

????????????????

???????????

?????????

?????????????

2025?????????

“?????”???

????

??????????

??????2025?????????????

??????????

????“????”????

?

?

???

????:?????2025??????????,??:?,??!

2025

????????????????

???????????

?????!

?

?

??????? ?????

(??) ??????????:?????????????