n.人造刚玉的商标;刚铝玉
网络 刚铝石; 氧化铝; 刚玉
The forming condition of crystal and closed pore in tabular alundum produced with electric melting is estimated and determined theoretically.
从原理上判断和估计了电熔板状刚玉结晶体和阔气孔的形成条件。