 |
| |||
| 边坡又称“斜坡”。岩体、土体在自然重力作用或人为作用而形成一定倾斜度的临空面 | |||
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