| 我国一字型硬质合金钎头的质量分析 |
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| 引用本文： | 贺建国 龚进. 我国一字型硬质合金钎头的质量分析[J]. 矿业研究与开发, 1997, 17(1): 46-48 |
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| 作者姓名： | 贺建国 龚进 |
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| 作者单位： | 长沙矿山研究院!长沙，410012 |
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| 摘 要： | 本文在简要回顾我国一字型硬质合金钎头发展历史的基础上，结合该产品的三次国家监督抽查结果，分析了该产品的质量现状，并就其存在的问题提出了建议。
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| 关 键 词： | 硬质合金钎头 质量检验 国家标准 合格率 钎头 |
THE QUALITATlVE ANALYSIS OF FLAT HARD-METAL BIT IN CHINA |
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| He Jiangguo,Gong Jin. THE QUALITATlVE ANALYSIS OF FLAT HARD-METAL BIT IN CHINA[J]. Mining Research and Development, 1997, 17(1): 46-48 |
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| Authors: | He Jiangguo Gong Jin |
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| Abstract: | On the basis of looking back in brief the developmental history of flat hard-metal drill bit in China,combining with the results from the thrice random sampling of this product, made by China's national supervision authorities,the authors analyze the present situation of the product quality and make some recommendations for its existing problems. |
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| Keywords: | Hard-metal bit Qualitative inspection National standards Qualified rate |
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