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| 胆矶 (CuSO₄·5H₂O) | |||
| 青石 | |||
| 胆矾; 蓝宝石一种天然硫酸铜 | |||
| 硫酸铜; 蓝石; 胆矶; 青石 (岩); 天然硫酸铜; 蓝砂岩; 硬黏土; 筑路用青石; 蓝灰砂岩 | |||
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blue stone : 8 phrases in 5 subjects |
| Architecture | 2 |
| Geology | 1 |
| Oil / petroleum | 1 |
| Technology | 1 |
| Textile industry | 3 |
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