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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) |