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phrases
очистная выемкаcontraintes
constr. drawing
expl. coal-face operation; second mining; actual mining; getting; operation; second working
géol. stoping; third mining
makar. stopped excavation
or;extr. sloping (Leonid Dzhepko)
techn. stoped excavation
очистная выемка: 49 phrases, 7 sujets
Charbon1
Exploitation minière32
Extraction d'extr.2
Général1
Géologie3
Makarov3
Technologie7