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GB/T197普通螺紋公差關(guān)于螺紋小徑上極限問題 |
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大俠這個幫看下http://www.whclglass.com.cn/thread-1012218-1-1.html
http://www.whclglass.com.cn/thread-1010558-1-1.html請前輩幫忙解答這個問題,謝謝!
回答清楚明了!謝謝!
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