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?????? ?? ????? ??????? ?? ???????? ????? ?????? ???? ????? ???? ???? ??? ??? ??? ?? ??????? ???? ????? ??? ?????? ???? ???? ??????? ?? ?????? ???????? ???? ????? ????? ?? ??????? ???????? ???? ???? ???????? ?????? ?? ???? ????? ?????? ???? ??????? ????? ???? ?? ???? ????? ??????? ???? ???????? ??? ????? ???? ?????? ???? ???? ????? ?? ??? ????. ????? ????? ???? ?????? (≤15 °) ?? ?????? ??????. ????? ???? ??????? ??? ?????? ?? ??????? ??? ??????? ??????? (??? ????? ?????? ????? ??????? ????? ????? ????? ??????? ??? ??? ???) ???????? ??????? (??? ??????? ???? ???????? ?????? ??? ??? ???) ??? ?????? ??? ???? ????? ??????? ????????.
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1. ??? ?????? ???????? ????? ?????? ????. ?????? ??????? ?? ??? ???????? ???????? ??? ???????? ???? ?????? ????? ??????. ??? ????? ?? ????? ???? ???? ?? ???? ?????? ??? ????? ???? ?????? ?????? ????? ?? ???? ???? ??? ??? ?? 100M / ????? ??? ???? ????? 0.7MPa. ?????? ???? ? ????? ?????? ???????.
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3. ????? ??????? ???????? ????? ?????? ????. ???? ?????? ????? ????? ?? ???????? ?????? ????? ???? ???? ???? ?? ????? ??????? ???? ??????? ???????? ????? 35 ?? ?????? ????? ?????? ?? ????? ????? ??????? ?????? ??????. ????? ?? ?????? ??? ?????? ??????? ????? ?? ????? ????? ?? ????? ??????.
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