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| 有机质材料; 有机材料有机质材料 | |||
| 有机物质; 有机材料 | |||
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органический материал : 7 phrases in 5 subjects |
| Electronics | 2 |
| General | 1 |
| Geology | 1 |
| Oil processing plants | 1 |
| Technology | 2 |
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