 |
| |||
| pipeline scraper | |||
| go-devil | |||
| |||
| swabbing pig; pig (denghu); pipeline inspection gauge (denghu) | |||
| скребок для очистки трубопроводов: 9 phrases in 7 subjects |
| General | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 3 |
| Rail transport | 1 |
| Sakhalin | 1 |
| Technology | 1 |