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| кучное выщелачивание (Sempai) | |||
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| выщелачивание отвалов (A method of extracting uranium from ore using a leaching solution. Small ore pieces are placed in a heap on an impervious material (plastic, clay, asphalt) with perforated pipes under the heap. oltkbs) | |||
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heap leach : 9 a las frases, 1 temas |
| Minería de oro | 9 |