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