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

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

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

??????

???? ?? ???? 1/5

6????12??,2024??“???????????? ?”?????????????????“?????????????????????????”????????????,?????????,???????28????10?????8???40??,?????????????????????????C919???

???:???

???????? ??????????? ??“????????”

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

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

2?????????

3???????

4???????

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

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

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

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

??????

???? ?? ???? 1/5

6????12??,2024??“???????????? ?”?????????????????“?????????????????????????”????????????,?????????,???????28????10?????8???40??,?????????????????????????C919???

???:???

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