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

????:????vx:?????????

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

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

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

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