Tests have proved that it is suitable to grind superhard high speed steels wi...
实验证实，用立方氮化硼砂轮磨削超硬高速钢是适宜的。
The kinds and properties of super-hard smelting high speed steels are introduced. Soime data of machining tests are listed.
介绍了高性能熔炼高速钢的种类与性能。列出了某些切削试验数据。
The fine scale microstructure of powder metallurgy high speed steels has been investigated by using analytical electron microscopy.
应用分析电子显微术对粉末冶金高速钢的精细结构进行了研究。
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