16702| 11
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用板牙攻M12×1.25-6g的螺纹,加工余量留多少啊? |
发表于 2012-11-21 10:49:50
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发表于 2012-11-21 10:56:41
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发表于 2012-11-21 11:02:24
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发表于 2012-11-21 11:05:03
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