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| 酸性矿物; 酸性矿 | |||
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acid mineral : 11 phrases in 7 subjects |
| Agriculture | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 1 |
| Technology | 2 |
| Water resources | 1 |
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