?????? 16??C919“??????????????”??

????:????6??????:??????

??????: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???????????,?????????????,??????????,??????

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