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

2????????????

3????????

4???????????v

5????????????

????11???????????????23?????????? (??????????????????????)11???????23??,?????????????????????,?????,?12?????????????????????????????????????????????????80%????????????????????????????????????

????,????????????????(???????“?”)??????????????10???,???40%???

11????????????23??????????,?????????????????????????? ??????????????????

“?,???????????????????????????C909?????,?????160?,??????????????200????????????????????,??????????????,????????”?????????

??,???5?????????,???80?????????????????????????,???????????????????,????,????,??????????????

??,???????C909?A320?B737NG???

???????????????,??,??????????????????????????????,?????????????????,???C909?A320?B737NG????????????????????????6??12?????????????????????,????????????????,????80%????(????????)

?????????????????:?????????????????