 |
| |||
| подвигание забоя горизонтальной проходки | |||
| подвигание забоя забоя проходки | |||
| heading advance: 10 phrases in 4 subjects |
| General | 2 |
| Geology | 4 |
| Mining | 3 |
| Technology | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips