Ϋ8ҳع˾ӪΫ60Si2Mnɸ,Ϋ50CrVAɸ,Ϋ8ҳصȲƷ,˾չ,ʼհѳ̤ʵŵĿ,õļ۸񡢹ӲӮÿͻϲ,ӭΫͻѯѡ

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Ϋ8ҳع˾óһ塣ҪƷӪҵ:Ϋ60Si2Mnɸ,Ϋ50CrVAɸ,Ϋ8ҳصȡƷ㷺ӦΫҵΫ˾