?C919??????ARJ21?????????????????

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

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

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

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

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

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

(?????????????????? ???????? ???? ?? ?? ??????????????????? ??????)

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