8023| 27
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cr12淬火硬度55度漏加工三個(gè)孔,,求助 |
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點(diǎn)評(píng)
OSG的WH55-5D就能干了,,另外補(bǔ)充一點(diǎn)WH70-DRL和SH-DRL最高能干到70HRC
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點(diǎn)評(píng)
直線度要求如何?
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點(diǎn)評(píng)
金剛石。,。,。。
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點(diǎn)評(píng)
哈哈,看你樓上和樓下
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