 |
| |||
| creusement des galeries; creusement des voies | |||
| |||
| avancement de galerie | |||
| traçage en direction | |||
| проходка штреков: 11 phrases in 3 subjects |
| Hydraulic engineering | 1 |
| Mining | 5 |
| Technology | 5 |
|
| |||
| creusement des galeries; creusement des voies | |||
| |||
| avancement de galerie | |||
| traçage en direction | |||
| проходка штреков: 11 phrases in 3 subjects |
| Hydraulic engineering | 1 |
| Mining | 5 |
| Technology | 5 |