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4 replies • 1970-01-01 08:00:00 +08:00
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napoleonu Jan 3, 2011
想起了那个机械系的学生说的0.0000001精度的车床才能车出0.0001精度的零件
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4
9hills Jan 3, 2011
cool! 不过是个老视频了--- 但是德国人的车床确实世界顶尖---
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