³ľ8ҳع˾Ӫ³ľ60Si2Mnɸ,³ľ50CrVAɸ,³ľ8ҳصȲƷ,˾չ,ʼհѳ̤ʵŵĿ,õļ۸񡢹ӲӮÿͻϲ,ӭ³ľͻѯѡ

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³ľ8ҳع˾óһ塣ҪƷӪҵ:³ľ60Si2Mnɸ,³ľ50CrVAɸ,³ľ8ҳصȡƷ㷺Ӧ³ľҵ³ľ빫˾