摘要
本文在简要回顾我国一字型硬质合金针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。
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.
出处
《矿业研究与开发》
CAS
1997年第1期46-48,共3页
Mining Research and Development
关键词
硬质合金钎头
质量检验
国家标准
合格率
钎头
Hard-metal bit,Qualitative inspection,National standards,Qualified rate
