??
??????: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???????????????????????,??????????????????,??,?????????
??????????????????:?????????????
??????? 16??????????????C919“??????”???????????????