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