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用丝锥攻盲孔螺纹时,是不是丝锥不全部进入孔(丝锥比螺纹长)好? |
发表于 2011-12-24 21:10:33
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发表于 2011-12-24 21:13:10
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发表于 2011-12-24 22:53:29
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发表于 2011-12-26 08:17:54
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发表于 2011-12-28 08:17:51
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