 |
| |||
| 给水工程 | |||
| ouvrages: 33 phrases in 7 subjects |
| Construction | 6 |
| Corporate governance | 2 |
| Environment | 1 |
| Hydrology | 12 |
| Technology | 2 |
| United Nations | 1 |
| Water resources | 9 |
|
| |||
| 给水工程 | |||
| ouvrages: 33 phrases in 7 subjects |
| Construction | 6 |
| Corporate governance | 2 |
| Environment | 1 |
| Hydrology | 12 |
| Technology | 2 |
| United Nations | 1 |
| Water resources | 9 |