˳8ҳع˾Ӫ˳60Si2Mnɸ,˳50CrVAɸ,˳8ҳصȲƷ,˾չ,ʼհѳ̤ʵŵĿ,õļ۸񡢹ӲӮÿͻϲ,ӭ˳ͻѯѡ

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˳8ҳع˾

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˳8ҳع˾óһ塣ҪƷӪҵ:˳60Si2Mnɸ,˳50CrVAɸ,˳8ҳصȡƷ㷺Ӧ˳ҵ˳˾