polycrystalline diamond

• 多晶金刚石

polycrystalline diamond的用法和样例：

例句

1. This paper describes the discharging process and property about compound machining mechanical electrolytic discharge for polycrystalline diamond.
   本文对聚晶金刚石机械电解放电复合加工的放电过程及其特点进行了研究。