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来源：雅诚德英语网
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。
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。