 |
| |||
| drum countershaft | |||
| промежуточный вал барабана лебёдки: 6 phrases in 4 subjects |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
|
| |||
| drum countershaft | |||
| промежуточный вал барабана лебёдки: 6 phrases in 4 subjects |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |