ultrahard meaning in English
超硬 特硬
高反差的
特硬的
Examples
- On the ultrahard tool materials - diamond and cubic boron nitride
金刚石与立方氮化硼 - Analysis on circumference of ultrahard meterial industry in china
对我国超硬材料行业的环境分析 - Ultrahard high speed steel end mill
超硬高速钢立铣刀