The exoplanet's atmosphere condenses out minerals such as enstatite, corundum, spinel, and wollastonite.
这颗系外行星大气冷凝产生矿物，如：顽火辉石、刚玉、尖晶石和硅灰石。
The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.
门）白泡石侵成玻璃和密降，钻刚玉侵成降，但是密却有所上升。
The results have shown that the brown alundum coatings are high-class neutral refractory coatings and are used with success in iron and steel cast-ings.
试验结果表明,所研究棕刚玉涂料是一种优质中性抗粘砂涂料,适用于粘土砂、水玻璃砂及树脂自砂铸型和型芯.
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Ruby and sapphire, for example, are actually the same mineral, called corundum, with a chemical formula of two aluminums and three oxygens.
，宝石和蓝宝石实上是同一种矿物，玉，化学式为Al2O3。
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划词翻译
详细解释
大气冷凝
产生矿物，如：顽火辉石、刚玉、尖晶石和硅灰石。
成玻璃
和密
降，钻
，
宝石和蓝宝石实
上是同一种矿物，
玉
