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[分享] 整体钨钢刀具知识普及

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发表于 2010-12-25 09:02:26 | 显示全部楼层 |阅读模式 来自: 中国浙江杭州

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整体钨钢刀具知识普及
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发表于 2010-12-27 20:30:52 | 显示全部楼层 来自: 中国山东济南
钨钢车刀则有HRA90-93的硬度, 比高速钢刀具更硬更具有切削力, 使用寿命越长, 当然也越贵.
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