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

2???????

3????????????????

4???????????

5????????????

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

C919??(SAF)?????????????????????/??????????

??C919??ARJ21?????????????????SAF?????????,??????????????????“???????????????????”????,????,???????????????????(3??????????)??????????????????40%,???,??????????????????

ARJ21?????(SAF)?????????????/??????

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

ARJ21?????(SAF)??????????????/??????

????,??????,????????,????????????????“???????????”,?“??????”,????“???????”,??????“?????????????????????????????”,?????????????????“??????”(??????)?????????????????????

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

??,SAF?????80%??????????????SAF???????????,??????????????????SAF?????????????,??SAF????,?SAF???????(??)

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