 |
| |||
| horizontal excavation | |||
| drift (MichaelBurov) | |||
| way | |||
| drive; lateral; level | |||
|
горизонтальная горная выработка : 4 phrases in 2 subjects |
| Geology | 1 |
| Mining | 3 |
|
| |||
| horizontal excavation | |||
| drift (MichaelBurov) | |||
| way | |||
| drive; lateral; level | |||
|
горизонтальная горная выработка : 4 phrases in 2 subjects |
| Geology | 1 |
| Mining | 3 |