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

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

3?????

4??????????????

5???mm??

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

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

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

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

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

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

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

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