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| высокое содержание | |||
| высокое содержание (металла в руде) | |||
| forte teneur: 12 phrases in 7 subjects |
| Chemistry | 1 |
| Construction | 2 |
| Food industry | 1 |
| Forestry | 2 |
| Mining | 2 |
| Oil and gas technology | 2 |
| Technology | 2 |
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