 |
| |||
| лопатка долота (MichaelBurov); резец долота (MichaelBurov) | |||
| blade of bit: 6 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 3 |
|
| |||
| лопатка долота (MichaelBurov); резец долота (MichaelBurov) | |||
| blade of bit: 6 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 3 |