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| обнажающаяся верхняя часть крутопадающих пластов | |||
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| верхняя часть пласта; выход пласта на поверхность | |||
| tête des couches: 8 phrases in 3 subjects |
| Geology | 3 |
| Hydraulic engineering | 2 |
| Natural resourses and wildlife conservation | 3 |
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