????:1?2023??QT????:?????998??????

2???????????

3??????????

4?????????

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%,??,?????????? ?????????:??