?????????????? 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??????????????,??????,??,?????????