 |
| 水面线: 134 phrases in 18 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Aviation | 2 |
| Bridge construction | 7 |
| Earth sciences | 3 |
| Ecology | 2 |
| Electronics | 1 |
| Engineering geology | 4 |
| General | 4 |
| Hydraulics | 1 |
| Hydroelectric power stations | 10 |
| Metallurgy | 1 |
| Nautical | 21 |
| Navigation | 1 |
| Oil / petroleum | 4 |
| Space | 1 |
| Technology | 69 |
| United Nations | 1 |