-
??????? ??????? ???????? ???????
????? ???????? ?? ????? ??????? ???????? ??????????? ??????? ??? ??????? ?????? ????? ?????? ??????? ?????? ??????? ?????? ??????? (??????? ???????) ?????? ?? ????????. ????? ??? ???? ???? ?????? ?????? ?? ??????? ???????? ??????? ??????? ?????? ????? ???? ?????????.More >> -
??????? ??????
???? ?????? ?????? ????? ??????? ??????? ????? ???????? ??????? ??????? ??????? ??????. ??????? ?? ????? ??????? ???????? ??????????? ??????? ??????? ?????? ?????? ??? ???????. ????? ??????? ???????? ??????? 38CrMoA1A ?42CrMo ?60CrMoV ?9Cr2Mo ?????? ?? ?????? ??????? ?????????? ????????? ???????? ????? ??????? ??????? ??? HRC58 ~ 62.More >> -
??????? ????? ????? ?????????
??? ???? ????? ????? ??????? ??????????? ?????? ??????? ??????? ??????? ????? ????? ?????? ?? ????? ??????? ??????? ??????? ??????????? ???????? ??????????? ???????? ???????????.More >> -
????? ?????? ?????? ?????? ???????
?????? ????? ?????? ?? ?????? ??????? ?????? ? PPMA ???????? ???????? ?????? ?? ??????? ??????????? ???????? ?????? PCPP. ????? ???? ????? ?????????? ??????? ????? ??????? ?????? ???? ????? ??????? ??? ??????? ????? ??????? ??????? ?????? ??????? ??? ??? ????? ?????? ???? ???? ????? ?????? ???????.More >>
????? ????????
- ????? ?????? ?????
- ????? ???? ????? ????????
- ????? ???? ????? ???????
- ????? ???? ????? ????? ???????
- ????? ???? ????? ???????
- ????? ??? ??????? ???????
-
????? ??????? ???????
- ????? ????? ????????
- ????? ??? ???????
- ????? ??????? ?????? ??????
????? ????????