????:1????????????:????????

2???????

3??????98???

4???????

5???spa??????

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

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