| |||
| вооружение (долота); вооружение долота | |||
|
cutting structure : 8 phrases in 4 subjects |
| Drilling | 2 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| |||
| вооружение (долота); вооружение долота | |||
|
cutting structure : 8 phrases in 4 subjects |
| Drilling | 2 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
| Oilfields | 1 |