 |
| |||
| 河流比降 | |||
| 河道坡度 | |||
| 河流坡降; 河面坡度; 河道比降; 河道坡降 | |||
| 河流坡度; 河流陡降 | |||
| stream slope: 12 phrases in 5 subjects |
| Bridge construction | 2 |
| Desert science | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 3 |
| Technology | 5 |
|
| |||
| 河流比降 | |||
| 河道坡度 | |||
| 河流坡降; 河面坡度; 河道比降; 河道坡降 | |||
| 河流坡度; 河流陡降 | |||
| stream slope: 12 phrases in 5 subjects |
| Bridge construction | 2 |
| Desert science | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 3 |
| Technology | 5 |