????? ????? ????? ?? ?????? ??? ????
????? ???? ?? ??? ???? ?? ???? ?????? ???? ?? ??????? ??????? ? ????? ???? ????? ????? ??????? ?????? ?? ???? ????? ???? ??? ??????? ???????? . ??? ???? ?? ???? ???? ?? ????? ???? ????? ???????? ???????? ? ??? ??? ???? ???????? ? ??????? ? ????????????? ? ??? . ????? ? ??? ????? ????? ??? ???? ??? ???? ??????? ?? ??? ???? ?????? ??????? . ????? ?????? ??? ???? ?? ???? ?? ??????? ?????? ???? ???? ?????? ??????? . ????? ????? ?? ?????? ???? ?? ???? ?????? ?????? ?????? ?? ???? ? ???? ???? ????????? ????? ????? ?? ??????? ??? ????? . ??? ????? ???? ? ????? ?????? ??? ???? ???? ??? ??? ?????? ??? ????? ? ??? ????? ????? ???? ???? ?? ???? ??? ??? ???? ???? ? ???????? ???? ???? ???? ?????? ??????? . ????? ? ??????? ?????? ???????? ??? ???? ? ????? ????? ????? ? ?? ???? ???? ?? ????? ????? ?????? ??? ???? .
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?? ????? ?????? ? ?????? ???? ??? ???? ?????? ????? ??? ????? ?????? :
1 . ???????
????? ?????? ????? ?? ??? ?? ????? ????? ?????? ?? ??? ????? ? ?????? ????? ? ??????? ?????? ???????? .
??? ????? ?? ?????? ???????? ?????? ????? ????? ?????? ?????? ??? ???? . ????? ????? ?????? ????? ?? ???? ?? ??? 60 ? 70 HRC ? ????? ???? ?? ???? ???? ??????? ??? ???? . ??? ????? ???? ? ????? ?????? ????? ????? ???? ???? ??????? ? ????? ????? ????? ??????? ?????? ?? ???? ???????? ???????? ?????? ?? ???????? .
2 . ????? ????? ????
????? ????? ???? ?? ??? ?? ???? ????? ???? ????? ??? ??????? ????????? . ??? ?????? ???? ?? ????? ????? ?????? ??? ???? ? ??? ????? ???? ?? ??? ??? 70 ~ 80 HRC ? ?? ???? ?????? ?????? ????? ?????? ???? ?? ????? ????? ?????? .
??? ??? ? ???? ?????? ????? ????? ???? ????? ????? ? ??? ????? ?????? ?? ???????? ????????? .
3 . ????? ?????
???????? ??? ???? ????? ????? ?????? ????? ???? ? ????? ???? ??? ?????? ????????? ?????? ???? ???? ????????? ???? ??? ???? ? ??? ??????? ????? ???? ????? ? ?????? ??????? ????? ???? ? ??????? ??????? ????? ? ???? ??? . ??? ?????? ??? ????? ????? ?????????? ????? ???? ???????? ??????? ??????? ?????? ???????? .
?????? 1 ?????? ????? ?????? ??? ????
????? ?? ?????? ???? ??? ???? ????? ?????? ???????? ???????? ??????? : |124124;124124124124124124\124\124\124\124\124\124\124\124\124\124\124\124\124124124\\124\124124124\124124\124124\124\124124124124\\124124\124\\124124\\124skh51????? | 60 ~ 70