 |
| |||
| rise face (Stoß); roof work; working to the rise (Verhieb) | |||
| mining from bottom up; ascending mining | |||
|
schwebender Abbau : 2 фразы в 1 тематике |
| Горное дело | 2 |
|
| |||
| rise face (Stoß); roof work; working to the rise (Verhieb) | |||
| mining from bottom up; ascending mining | |||
|
schwebender Abbau : 2 фразы в 1 тематике |
| Горное дело | 2 |