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　　????? ??????? ????????? ?????? ??? ????? ??????? ?????? ??????? ?????? ???? ?????? 1.6 ?? (????? ??????? 0.004 ? ?????? ??????? ????? ??????? ????????? 0.060) ? ?????? ?????? ????? ???? ?????? ????? ? ??? ???? ???? ????? ?????? ??? ????? ????? ????? ???????? ????????? ??????? ?? ??? ??????? ???? ????? ??? ????? ??? ?????? ?????? ??????? ?????????. ???? ????? ??????? ????? ???????. ??? ??????? ??? ???? ????? ????? ℃. ????? ???? ??????? ????????? ?????? ?????? ?????? ? ???? ?? ????? ??? ????? ?????? ? ????? ????? ???? ?????? ??? ????? ?????? ??????. ?? ????? ?????? ? ?? ??? ??? ????? ?????? ??? ?????? ?????? ??????? ??????? ??????? ???????? ?????? ??????? ?????? ?????? ????? ??????? ??????? ????? ?????. ???? ? ?????? ?? ?????? ????? ????? ?????? ?? ?????? ??????.