????:1?????200????????:?????????

2???600??

3???????

4?????wx

5???????

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

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

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

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

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

(????????? ???????????????? ?????????? ??????????????????? ???????? ??? ?????)

??:??????????