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???? ??????? ?? ???????? ???? 70℃
??????: ????? ?????? ???? ?????????? 25 ????? 2017/????? ???? ????? ??? ???? ??? 150 ???? ?? ???? ????? -??????? ?? ????? ???????? ?? ???? ??? ???????? ??? ??? ????? (?????)????? ??? ???? ??????? ???????.
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600 ??? ???? ??????? ?????? ??????? ??????? C919
????? ???? ?????? ???? ??? ????????
?????? ????? ??? ????? ????? ?????? ?? ???? FTC-2000 ?? ?????
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????? ???? ?? ????? ???? ????? ???? ???? ??????? ??????? ??? ?????? 20000 ???
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