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| 刚石; 氧化铝磨料 | |||
| 刚玉、刚石 | |||
| 磨料刚玉 | |||
| 天然氧化铝磨料 | |||
| 刚玉; 金刚砂 (Al2O3) | |||
| 刚石，金刚砂 | |||
| 金刚砂填料，磨料 | |||
| 金刚砂 | |||
| 金刚砂; 刚玉石; 氧化铝 | |||
| 刚玉首饰 | |||
| English thesaurus | |||
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| Group of minerals that includes Rubies and Sapphires. | |||
| corundum: 87 phrases in 12 subjects |
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| Chemistry | 4 |
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| Electronics | 4 |
| Metallurgy | 24 |
| Plastic surgery | 1 |
| Silicate industry | 4 |
| Space | 1 |
| Technology | 43 |
| Water resources | 1 |
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