4612| 6
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求助高手:20CrMo材料,攻丝M5*0.5,底孔4.6mm通孔,转速700r,大批量,老爱卡坏丝牙 |
发表于 2013-1-8 08:37:09
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发表于 2013-1-9 09:19:22
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