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

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

3???????????

4??????150??

5?500?3????????

2024?11????????12?,??,??????60??????????????C919???40??C909?;???????????????30?C909???????,??20?,10?????

????????????????????«????????????(2024-2043)»??,??20??????,?5.3%,??4.4%???20?,?????????9323??

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