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???? ??????? ?? ???????? ???? 70℃
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??? ???? ????? ??????? "??????-18" ??????? ???????? ??????? ???????? ??????? "????????????-5" ?????? ??????? ?? ??????.
???? ????? ??? ????? ??????? ??? 5 ????? ??? ??????? ??????? ?????????? ??? ????? ??? ???? ??????? ??????? ??????? ?????? ???? ????-5.
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????? ??????? ?????? ???? ???? -5? ???? ????? ?????????? ?????? ?????????? ????????? ??????? ?? ??? ?????? ??? 25 ??? ?? ?????? ?????? ??????? ?14 ??? ?? ?????? ???????? ?? ????? ????? ? ?? ???? ???? 2.5 ??? ?????? ?? ???? ???????? ??????? ???????.
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600 ??? ???? ??????? ?????? ??????? ??????? C919
????? ???? ?????? ???? ??? ????????
?????? ????? ??? ????? ????? ?????? ?? ???? FTC-2000 ?? ?????
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