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phrases
почва пластаcontraintes
constr. seam soil
expl. ground; flat wall; lying wall; sill; underlying bedrock; underlying rock; bed floor (lxu5)
géol. bottom of formation; thill; bed bottom; bottom formation; seat earth; floor of seam; seat
or;extr. bed (MichaelBurov); bottom (MichaelBurov); floor (MichaelBurov)
techn. seam floor
почва пласта: 30 phrases, 6 sujets
Exploitation minière8
Général1
Géologie14
Makarov4
Pétrole / pétrole1
Technologie2