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

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

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

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

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