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suzhikun:公差,原来测量仪器都有公差。(2012-04-28 22:38)嬀/color] wvfCj6}S&
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drymatini:向LZ学习 (2013-04-03 17:09) Ix-FJF-
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baobaolong:0.05以下只有数控了,普通机床10丝差不多了 (2013-04-06 13:59) Y*dzoN.sW