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