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黄铁矿化
| 煤
| 黄铁矿化 | |
| tech. | pyritization |
| 煤 | |
| gen. | black |
| archit. | coal |
| busin. | black diamonds |
| chem. | black diamond |
| environ. | coal; fossil fuel |
| expl. | coal; colliery |
| |||
| pyritization | |||
| 黄铁矿化: 7 phrases in 6 subjects |
| Earth sciences | 1 |
| General | 1 |
| Geology | 1 |
| Life sciences | 1 |
| Oil / petroleum | 1 |
| Technology | 2 |
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