 |
| hydraulic lines: 44 phrases in 16 subjects |
| Astronautics | 1 |
| Automobiles | 1 |
| Cement | 1 |
| Drilling | 1 |
| Hydraulic engineering | 2 |
| Hydrology | 1 |
| Machine components | 1 |
| Makarov | 4 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Road works | 1 |
| Sakhalin | 2 |
| Technology | 21 |
| Transport | 3 |
| Water resources | 2 |