 |
| |||
| drill and blast tunneling method (dav_rubin) | |||
| |||
| drill and fire system (проходки выработок); drill-and-fire system (проходки выработок) | |||
| буровзрывным способом: 4 phrases in 3 subjects |
| Construction | 2 |
| Mining | 1 |
| Technology | 1 |
|
| |||
| drill and blast tunneling method (dav_rubin) | |||
| |||
| drill and fire system (проходки выработок); drill-and-fire system (проходки выработок) | |||
| буровзрывным способом: 4 phrases in 3 subjects |
| Construction | 2 |
| Mining | 1 |
| Technology | 1 |