楼主: 杨大侠
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一批40Cr调质的齿轮加工起来特别费刀,论坛上的大侠们遇到这种材质是怎么做的? |
发表于 2012-5-13 14:40
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发表于 2012-5-19 14:17
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发表于 2012-5-26 12:34
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