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??T2???????????????????? ???????? ?

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??C919?????????????????????? ? ??????????

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2????????150???

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??T2???????????????????? ???????? ?

2018???????11????5??,?????,?«?????»?2019??????????????????12??,«??????????????????????»?????????????????,?“??”,??????????,???2.66???????,??66.6%,???19.6%;?569.3???????,????????83.1%,???33.3%,??

??????????????????????????? ????? ?

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????????????????,2024??????????1-5???????,????????????????????1.15?,?????241??,????86.2????????????????????????????????,???,??????,???????????????????????????

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??C919?????????????????????? ? ??????????

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