 |
| |||
| mining from top down; descending mining | |||
| working to the dip; dip working; dipping working; downward working | |||
| выемка по падению: 7 фраз в 1 тематиці |
| Гірнича справа | 7 |
|
| |||
| mining from top down; descending mining | |||
| working to the dip; dip working; dipping working; downward working | |||
| выемка по падению: 7 фраз в 1 тематиці |
| Гірнича справа | 7 |