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???? ??????? ?? ???????? ???? 70℃
??????: ????? ?????? ???? ????????? ???? 25 ????? 2017 /???? ????? ??????????? ????? (?????) ?? ??????? ???????? ???????? ??? ???????? ???? ?????? ?????? ????????? ?????? ?? ????? ??????? (1950-1953) ?? ???? ???? ???? ?????? ????? ??? ?????.
????? ????? ??????? ??????? ???????? ?? ???? ????? ????? ??? ??? 2000 ???? ?? 20 ??? ????? ???? ??? ????? ?? ??? 67 ???? ?? ????????.
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??? ??????? ????? ????? ??? ??? ????? ??? ??? ??? ??? 5 ????? ?? ??? ??????? ??? ???????? ??? ????? ???? ?? 70 ????? ?900 ????? ?? ????? ??????? ??? ???? 2012 ?2014.
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600 ??? ???? ??????? ?????? ??????? ??????? C919
????? ???? ?????? ???? ??? ????????
?????? ????? ??? ????? ????? ?????? ?? ???? FTC-2000 ?? ?????
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????? ???? ?? ????? ???? ????? ???? ???? ??????? ??????? ??? ?????? 20000 ???
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