ARJ21??????????C919?

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2024???????????11????2??????????????,??????2024????????????,??ARJ21???C919?????????????,???????????????????????????????????????ARJ21???C919???????????????,???

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??1:20??C919??????C929??,1:20??ARJ21?,?1:32??ARJ21??????????????????????????????????,C919???????/????

????,ARJ21???150???,?600???,???????150???,??1700????C919?11?,?????????9????,????7?,??????70???????????(????:???????????)

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