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Зараз показуються 1-8 з 2
coal (2) |
displacements (1) |
double-unit stopes (1) |
mine (2) |
mine working (2) |
rock mass (1) |
rocks (1) |
stress-strain state (1) |
coal (2) |
displacements (1) |
double-unit stopes (1) |
mine (2) |
mine working (2) |
rock mass (1) |
rocks (1) |
stress-strain state (1) |