ultra-hard materials的意思|示意

With the continuous application of ultra-hard high speed steel and other materials hard to be machined in tool industry, higher requirements have been put foward to the grinding process for tools.

随着超硬含铝高速钢及其他难加工材料在工具行业的不断应用，对刀具的磨削加工提出了更高的要求。

The invention belongs to the field of ultra-precision processing of hard and brittle crystal materials and relates to a corroding agent for detecting damage of a surface layer of a sapphire substrate.

本发明属于硬脆晶体材料超精密加工领域，涉及一种用于检测蓝宝石基片表面层损伤的腐蚀剂。