կ8ҳع˾Ӫ۾կ60Si2Mnɸ,կ50CrVAɸ,կ8ҳصȲƷ,˾չ,ʼհѳ̤ʵŵĿ,õļ۸񡢹ӲӮÿͻϲ,ӭկͻѯѡ

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կ8ҳع˾óһ塣ҪƷӪҵ:կ60Si2Mnɸ,կ50CrVAɸ,կ8ҳصȡƷ㷺Ӧھկҵկ˾