?? ??????????C919??????ARJ21?
????:1?????:?????????
2???????
3????????????
4??????
5?????92?95?98?
???????11???2????(???????????????????)??,???2024??,???????????????????C919?????????ARJ21??????,???“????”??
??,???????ARJ21??????C919??,????,???????????????????????ARJ21????C919??,?????
????????????,ARJ21????????????????????,C919???????????????
??????????????,??????????????,???
??????,ARJ21?150??,???????????600?,?150??????,????????1700????C919???11????,??????9????????????????,??7??????,????70????
?????,C919???ARJ21???,????????
?2024????????,?????????????,????????????1:20??????C919???????????C929????1:20????ARJ21????,??1:32??????ARJ21??????????????????????????????????,C919????/????????(?? ?? ??? ?? ?? ???)
???????????????????:????