?????????????? 16??????C919“??”??

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?????????,????????????????????????????,??????,???????,?????????????????????????“??”????800???????,??????????????????????????600???

???????????????????????????????????????,??1200????

?????????????????????????,??????????????????????????????????????“???????”“??”???,??????????65%?

16?????????????C919?????

????????,???????????????16????????????C919??,????????????????C919??

????,????10????C919??????,????????3???????C919??????????????????,???????????????????????????????5????,?400????????????3????C919???,????????????????????????????4???

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