| |||
| задевание шарошек долота | |||
|
bit cone drag : 4 phrases in 3 subjects |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| |||
| задевание шарошек долота | |||
|
bit cone drag : 4 phrases in 3 subjects |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |