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介绍了目前国际上超硬刀具材料的研究进展概况，并研究了金刚石刀具材料使用者所面临的 刀具选择的多样性问题，并试图阐明各种刀具材料的应用范围。
This paper introduces the current research progress of superhard tool materials in the world and studies the diversity of tool selection faced by users of diamond tool materials and tries to clarify the application range of various tool materials.