??? ??????: ??? ??? ?????? ?????? ??????? ???????
???? ??????? ?? ???????? ???? 70℃
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????? ???? ???? ??? ????? ?????? ??? ?????
?????? ???????? ?? ???? ???? ??? 20 ???? ?? ?????? ??? ?????
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????? ?? "???????? ??? ????? ??????????? ??? ???? ???????? ???? ?????? ???? ??????? ????? ??? ????? ????? ???????? ?? ??? ???? ?????? ?????".
???? "???? ?????? ????? ??? ?????????? ???????? ???? ?? ??????? ?? ????? ???????? ???????? ???????? ??? ???? ?? ??????? ??????? ???????".
????? "???? ??? ???? ?? ?????????? ????? ??? ????? ???? ??? ?????? ???? ????????? ??????? ??? ?????? ???? ???????? ??????? ??????".
???? ??? ????????? ??????? ???? ?? ????????
?????: ??? ?????? ???????? ??????? ????? "?????? ???????" ??? ????????
600 ??? ???? ??????? ?????? ??????? ??????? C919
????? ???? ?????? ???? ??? ????????
?????? ????? ??? ????? ????? ?????? ?? ???? FTC-2000 ?? ?????
????? ???? ????? ???????? ??? ????? ???? ???? ??????????
????? ???? ?? ????? ???? ????? ???? ???? ??????? ??????? ??? ?????? 20000 ???
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