?????????????? 16??C919“??”??????

??????:1????18???????,???12306????,?????18????8??????????,??????1.75??????????????,??????????18????2????????1??,????????

?????????????:?????????“?”??????

????????,???????????????,?????????????“??”?“???????”??????????????,????“?”???,????????

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

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

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

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

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

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

??????????????????????,??C919?????????????????,????????????????????????,?,???