?? ???????????????????????
????:1???????:???????
2???????????
3????????
4?????
5???????
6????????????5??,????????????????ARJ21?????????????????C919???????????????,??????????????????,??????1????,??????(SAF)??????????,??????SAF??
?????,???????????????????????????????????????,???????95%????SAF????????,??????????????????????????????????,??????????????????,SAF????????80%????????????????????????SAF???????????????????,??????????????SAF?????,???????SAF??,?????SAF???????????????????
?????????2022????SAF???????,??SAF????????????,??????????????????SAF????????????????????,??2024???????2?????????????????????????,??????
?????????????????SAF??????,???????????“?????????”????????????????????,??????????????,????????????????????????(3??????????)????????????????????????????40%,?,?????????????????????????????? ?????:????????????