| |||
| scabbler | |||
|
механическое долото : 8 phrases in 4 subjects |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
| |||
| scabbler | |||
|
механическое долото : 8 phrases in 4 subjects |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Oil and gas technology | 3 |
| Oilfields | 1 |