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

2????????

3??????????

4?????????

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%?????(?????)

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