????:2024-06-13 10:46:46 ??:????
????:????????????:????QQ?
??C919?????
??????????????
C919??
??? (?? ????????????????)C919??!????????,?,?C919????????,?MU5309???????????9??30??????????,????????????11?????55?????????;??MU5316????13?????????30??,???????16??????????
??????????????,??????????C919???????,C919??6??????????“?????????????????”?“??”,?36???(??)?
??:??????