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

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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???(??)

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