alundum
人造刚玉的商标
常用释义
英音[ əˈlʌndəm ]
美音[ əˈlʌndəm ]
基本释义
- n. 人造刚玉的商标；刚铝玉
例句
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1·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。