 |
| |||
| 河道 | |||
| 河床 | |||
| 河槽 | |||
| 过河航道; 河流航道; 河底隧道 | |||
| river channel: 66 phrases in 7 subjects |
| Bridge construction | 4 |
| Desert science | 5 |
| Engineering geology | 2 |
| Hydroelectric power stations | 11 |
| Oil / petroleum | 1 |
| Technology | 42 |
| Water resources | 1 |
|
| |||
| 河道 | |||
| 河床 | |||
| 河槽 | |||
| 过河航道; 河流航道; 河底隧道 | |||
| river channel: 66 phrases in 7 subjects |
| Bridge construction | 4 |
| Desert science | 5 |
| Engineering geology | 2 |
| Hydroelectric power stations | 11 |
| Oil / petroleum | 1 |
| Technology | 42 |
| Water resources | 1 |