???????????????????????

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

6???????5???????????,???????ARJ21?????????C919????,?????,??1?????,????????????(SAF)?????????????????????????????,???????SAF???????                   

??????????????,???????????????????,?95%??????????????????SAF?????,??????,???????,SAF?????????80%?????SAF?????????????????????,?????????SAF???,??SAF??????????,??????????????????SAF?????????                   

??????2022????????????????????SAF???????????????,?????????SAF?????????????,????????????????SAF???????????????,?2024???????????2???????????????????????????????????????????,???????

???????????????SAF?????,????“????????”????????????????????????,???????????????????????????????????????,????????????????????????????????????(3????????????)???????????????????40%,??????,??????????????????? ????????????:???????????????