????:2024-09-06 12:50:26 ??:????
????:????????:?????????????
?9??????????????6????? (????? ?????????????????)??,?????????,??????????“???”?5???,?????,?????????“????”+?C919???????????
???,?????????????,9???30??,?????????“????”9?7?10?24????,????“??????”??2??????????????????
????????,??????????????????????“???????”???,???????C919??????8??????????15????????,???????“??”???????“?????”??,????????????????C919???,?????
??????,“?????”????C919?????????“?????”?323.6????????????,??13.62???????,?????2125?,??????????????5246?????????????????????2024?????1?????1?,????57????????,??25????????C919?,???????1???,?????50?????????,???(??)
??:?????????