????:1???????V:???????????

2?????

3??????????

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

5?????????

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

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

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

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

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

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