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| низкое содержание | |||
| низкое содержание (металла в руде); низкосортность (руды); бедность (руды) | |||
| basse teneur: 12 phrases in 5 subjects |
| Chemistry | 1 |
| Construction | 1 |
| Geology | 2 |
| Metallurgy | 6 |
| Technology | 2 |
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