 |
| |||
| jack shaft (вращательного бурения) | |||
| промежуточный вал лебёдки: 10 phrases in 4 subjects |
| Oil / petroleum | 3 |
| Oil and gas | 3 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
|
| |||
| jack shaft (вращательного бурения) | |||
| промежуточный вал лебёдки: 10 phrases in 4 subjects |
| Oil / petroleum | 3 |
| Oil and gas | 3 |
| Oil and gas technology | 3 |
| Oilfields | 1 |