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2369| 10
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[求助] 请教,圆柱外径70mm,导程300mm,螺距10mm,30线,车床能加工吗? |
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发表于 2010-5-24 16:17:41
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发表于 2010-5-24 19:56:44
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发表于 2010-5-24 21:25:40
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