????:1???????2023?:??????????

2??????

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

4?????WX

5???????

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

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

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

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