14918| 40
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丝锥挤压螺纹孔,板料是5052铝合金 |
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发表于 2012-6-4 21:57:42
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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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