 |
| 进水管: 101 phrase in 18 subjects |
| Architecture | 3 |
| Automobiles | 1 |
| Aviation | 1 |
| Ecology | 1 |
| Electric machinery | 2 |
| Electronics | 3 |
| Exhibitions | 1 |
| General | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 13 |
| Metallurgy | 1 |
| Nautical | 2 |
| Nuclear and fusion power | 1 |
| Polymers | 1 |
| Refrigeration | 1 |
| Shipbuilding | 2 |
| Technology | 65 |
| United Nations | 1 |