| |||
| несущая колонна; опорная колонна; стойка | |||
| опорный целик | |||
| породный целик (MichaelBurov); целик (MichaelBurov) | |||
|
support pillar : 12 phrases in 7 subjects |
| Automated equipment | 1 |
| Construction | 2 |
| General | 5 |
| Geology | 1 |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Mining | 1 |