polycrystalline graphite

• 多晶石墨

polycrystalline graphite的用法和样例：

例句

1. The growth modes of pro-eutectic and eutectic graphite was compared and inves tigated using liquid queuching technique.
   用液淬技术，对初生石墨和共晶石墨的生长模式进行了对比研究。