3233| 7
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ZG40Gr25Ni20,这种材质好铣槽么? |
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点评
可以查一下各自的硬度。参考硬度参数比较重要。
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小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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