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plow longwall (1) |
pre-constructed disassembling chamber (1) |
primary caving of the main roof (1) |
the combined lining of working (1) |
the cross-sectional shape (1) |
the stress-strain state (1) |
weakly metamorphosed rocks (1) |
демонтажна камера (1) |
демонтажная камера (1) |
напружено-деформований стан (1) |