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

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

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

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

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