????:1???????????:??????

2??????95?

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4????????

5????????????

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

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

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

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