?? ?????????????? 16??C919“??????”??
????:1???????:??92?95?98?
2???????????
3??????????
4?????????
5?????????????
?????????: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???????????,?????????????,????????,???????????????????
????????:??????????????