?? C919?????????
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2??????????
3????????
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5??????????800?
1??17???,??????????????????12??8?,?147???CZ3380?????????,?????????????C919?“?????”,???????“???”???????,??C919???7????,??C919??????1??????????????C919???????164????????,??????????????,2.25?????48.26??,???(?? ?????? ????? ??????????)
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