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常用公英美制螺纹孔径和滚造径对照表 |
发表于 2007-8-28 14:40:35
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Re: 常用公英美制螺纹孔径和滚造径对照表
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发表于 2007-8-30 19:35:42
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Re: 常用公英美制螺纹孔径和滚造径对照表
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