???2019????????????????
????:2024-07-02 07:33:48 ??:????
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????7????1?????? (???????????? ???)?????????????,????????(???????“???”)1???2024??,?(7?????1??8????31??),???????3213??,???2019????13%,???2019????102%?
???,??6???C919????800???,?????????1002????,?249????????
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??????C919????C919??????????,?6??C919?,??????????????????????????????????????
?????,???????????,?????????????34????????75????179????,??2856???
???????????????,????332????????????????????????????????????????????????????11??????,???????????????????????????????????3??,???????????????22???(??) ????????????????:?????
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