 |
| 充水: 140 phrases in 18 subjects |
| Aviation | 1 |
| Drilling | 3 |
| Ecology | 2 |
| Electronics | 37 |
| Environment | 2 |
| General | 44 |
| Geology | 1 |
| Mining | 9 |
| Missiles | 1 |
| Nautical | 2 |
| Oceanography & oceanology | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oil processing plants | 5 |
| Shipbuilding | 2 |
| Technology | 26 |
| Thermal engineering | 1 |
| Water supply | 1 |