L Castiglioni.G Minelli.P Porta Synthesis and Properties of Spinel - Type Co - Cu - Mg - Zn - Cr Mixed Oxides 2000是什么意思_L Castiglioni.G Minelli.P Porta Synthesis and Properties of Spinel - Type Co - Cu - Mg - Zn - Cr Mixed Oxides 2000在线翻译_英语_读音_用法_例句