??? ?????? ?????? ?? ??? ??????? ??????? ????? ?? ????? ???? ??????, ????? ?? ????? ?? ???? "?????? ???? ?????": ??? ????? ????? ?????? ?? ????? (???????? ?????, ????, ???????? ?????) ?????? ???????, ??????? ???????? ???? ?????? ???????? ???????, ??? ??? ??? ???? ???? ?????? ?????? ???????? ??? ???? ?? ????? ?????? ????? ???? ?????? ???? ????? ????? ????? ??????. ???? ?????? ???? ??????: ?????? ????? ??, ???? ?????? ????? ?? ??? ??????? ?????? ?????, ??????? ????????? ????? ???? ????? ??? ???? ??? ???????, ??????? ??? ????? ???????? ????? ?? ?? 120℃-200℃. ???? ????? ????? ??????, ????? ??????? ???? ???? ???????, ????????? ?????? ???? ????? ???? ?????? ??-35℃-45℃. —— ???? ????? ????? ????? ?? ??????? ????? ????????? ????? ??????, ????????? ???? ???????? ??-40℃, ??? ????? ?????? ??????? ???????? ?????? ?????????? ???? ?????. ????? ?????? ????? ?????? ?????? ????, ??????? ??????? ?? ?????? ?????? ?? ?????.