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???? ??????? ?? ???????? ???? 70℃
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?????? ???????? ?? ???? ???? ??? 20 ???? ?? ?????? ??? ?????
???? ???? ?????? ??? ?? ???????????? 20 ????? 2017 /??? ??????? ???? ?????? ???????? ??????? ??????? ????? (????????) ???? ?? ??? ??????? ?? ???? ????? ?????? ???? ??? ?? ???? ??????? ????? ???????? ?????????? ?? ??????? .
??? ??? ??????? ??? ????? ???? ?????? ???????? ??? ???????? ??????? ??? ?? ???? ?????? ?? ?????? ??? ??????? .
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???? ??? ????????? ??????? ???? ?? ????????
?????: ??? ?????? ???????? ??????? ????? "?????? ???????" ??? ????????
600 ??? ???? ??????? ?????? ??????? ??????? C919
????? ???? ?????? ???? ??? ????????
?????? ????? ??? ????? ????? ?????? ?? ???? FTC-2000 ?? ?????
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????? ???? ?? ????? ???? ????? ???? ???? ??????? ??????? ??? ?????? 20000 ???
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