·?????? ??????:???? > ???? ?????? > ?????? ????
???? ????? ??? ??????? |
?????? ?????:42CrMo 40Cr 38CrMoALA |
????? ?????:Ra0.4um |
???????:0.015mm/m |
???????? ???????: ?????? ??????? ? ??????? ??????? ?????? ? ??????? ?????. |
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