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

2??????????

3?2023???????????

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