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

2???????????v

3?????????

4?????????

5????????

?/?????? ?

8?29??????,???C919???????????????,???C919???????????

?:??C919?,?????C919???????????;????C919????,??

C919??????!

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

C919????

???C919??????,??????????????

C919??????/????????????????38.9??????????,????????35.8???,????????????????11.95????????????????

????????????????????,C919????9??????,???????5??,???5????,?50?????

C919?????????,????????????????????,5?????????????15.4???????,???????????“???????????????”???????

??????C919???????:???????????????????????,C919??,???????????,???????????????,?,?????????????????????????????,???????,?????????????

C919??????????????“???”???????? ???????????? ????

????????????,??????????????????????C919?,????“?”??,?,??????

?????:?????????????“?”

C919?2007??????????????,2008???2015???????????11????????????????2???2017?????????5???5??????????????,???2022??9????29???????,????????????????,11?????29?????????????,12?????????????9???????2023???????5??????28?????,???

????????????????,??????????????

??????????????C919???,???,????7??C919?,???????????????????C919,???????,?????????????????????????????

???????????????C919?,????????????:“??C919??????????????????,??????????????C919???,?????????????????????”

?????,C919???????????,??????????,???

8???29??????,??C919????? ????????? ???????

????C919??

????,????

?,C919??,?,??????“???????????????”?

??????,?????????60?????70?,??C919????,??????????

????,????????,???????????????????????,????

?,?????????????,C919??????????,?,????

???

2023????????????????????9???????????,??????C919?,???2021???????5?????????????????,??????????100???????C919??????????????????????????????????4?,?????,??????????100?????????????C919??????,????2024???2031??????

?,???????????????????????????????

????????,C919??????????????????,?“???????0?1”?,?“1???N”????????????????C919?????????????????????????,C919???????????????????????????????????????????????????,????

?????,C919???????????“???”??????????“?????”????C919????????????????,??“???????????”???????,??,????????????????????????????????????C919?????,??????,??????

????????????,??C919?,???????,?????????????????,????????C929,??,????????????????????????

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