superhard tool material

• 超硬工具材料

superhard tool material的用法和样例：

例句

1. Such coated micro-powedr have wide appliation field in making precision polishing tools and polycrystalline superhard composites.
   镀覆钛和钛合金的超硬材料微粉在各类精细超硬工具制造和超硬聚晶材料领域有广泛应用前景。