An attempt has been made to follow the scientific and technological steps associated with the production of fine grained hardmetal.
在回顾硬质合金材料的历史发展和现状的基础上，重点介绍了在该领域中上海材料研究所取得的典型实际成果及工业应用概况。
种类组成的;An attempt has been made to follow the scientific and technological steps associated with the production of fine grained hardmetal.
在回顾硬质合金材料的历史发展和现状的基础上，重点介绍了在该领域中上海材料研究所取得的典型实际成果及工业应用概况。
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