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

2???????????

3?????????

4?????

5??????????

??????????????9?????6?????????? (?????? ????)?????,??,??????????“??????????????????????”?5????????????,??,?????“??????”+?C919??

?,??????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?????,??????????(???????)

?????:??????????????????