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| пенистые породы | |||
| пористая порода | |||
| 多孔 岩: 15 phrases in 7 subjects |
| Construction | 2 |
| Electronics | 3 |
| General | 2 |
| Geology | 2 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Technology | 3 |
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