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| способ обогащения; способ приготовления | |||
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| способы обработки | |||
| способ обработки | |||
| процесс обработки | |||
| procedé de traitement: 9 phrases in 6 subjects |
| Automobiles | 2 |
| Construction | 1 |
| Natural resourses and wildlife conservation | 3 |
| Oil and gas technology | 1 |
| Patents | 1 |
| Technology | 1 |