 |
| |||
| twin-tube | |||
| double conduit | |||
| double pipe | |||
| twin tube | |||
| двойная труба: 117 phrases in 22 subjects |
| Architecture | 2 |
| Building materials | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Cycling other than sport | 1 |
| Drilling | 16 |
| Electronics | 3 |
| Energy industry | 1 |
| General | 2 |
| Gold mining | 1 |
| Makarov | 1 |
| Military | 1 |
| Mining | 24 |
| Nautical | 2 |
| Oil / petroleum | 34 |
| Oil and gas | 4 |
| Oil and gas technology | 3 |
| Pipelines | 4 |
| Programming | 2 |
| Technology | 7 |
| Thermal engineering | 3 |
| Transport | 3 |