?? ???????????????????????
????: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%,?????????,?????????????????? ????????:???????