 |
| |||
| retreat mining; retreating mining; retreating work; retreating | |||
|
выемка от границ поля к стволу : 15 phrases, 1 sujets |
| Exploitation minière | 15 |
|
| |||
| retreat mining; retreating mining; retreating work; retreating | |||
|
выемка от границ поля к стволу : 15 phrases, 1 sujets |
| Exploitation minière | 15 |