 |
| |||
| 河道整治 | |||
| 河槽整治 | |||
| 河槽治理; 航道整治 | |||
| channel regulation: 15 phrases in 5 subjects |
| Bridge construction | 1 |
| Ecology | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 2 |
| Technology | 9 |
|
| |||
| 河道整治 | |||
| 河槽整治 | |||
| 河槽治理; 航道整治 | |||
| channel regulation: 15 phrases in 5 subjects |
| Bridge construction | 1 |
| Ecology | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 2 |
| Technology | 9 |