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couche horizontale; couche non inclinée; veine sans inclinaison; veine non inclinée | |||
couche en plateure | |||
couche plate | |||
couche horizontal |
горизонтальный пласт : 13 phrases in 4 subjects |
Geology | 4 |
Mining | 5 |
Oil and gas technology | 1 |
Technology | 3 |