 |
| |||
| 河流比降; 河流坡降; 河道比降 | |||
| 河道坡度 | |||
| 河流坡度 | |||
|
stream gradient : 11 phrases in 4 subjects |
| Bridge construction | 1 |
| Desert science | 1 |
| Engineering geology | 1 |
| Technology | 8 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips