 |
выемка столба
| глухими заходками
| выемка столба | |
| mining. | abstraction of pillar; block mining |
| глухая заходка | |
| geol. | blind drift |
| |||
| abstraction of pillar; block mining | |||
| |||
| blocking | |||
| выемка столба: 11 phrases in 2 subjects |
| Architecture | 1 |
| Mining | 10 |