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| сложная или смешанная руда; трудная для обработки руда | |||
| комплексная руда | |||
| труднообогатимая руда | |||
| сложная руда; полиметаллическая руда | |||
| сложная труднообогатимая руда | |||
| смешанная руда | |||
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| полиметаллы (Сomplex lead-zinc-copper ores are now being purchased at the Humboldt concentrator of the Phelps Dodge Corporation recently leased from... when asked about the possibility of development and production of complex ores in this section of the state... – АД); полиметаллы (Сomplex lead-zinc-copper ores are now being purchased at the Humboldt concentrator of the Phelps Dodge Corporation recently leased from... when asked about the possibility of development and production of complex ores in this section of the state... Alexander Demidov) | |||
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complex ore : 3 phrases, 2 sujets |
| Général | 2 |
| Industrie | 1 |