 |
| |||
| 裂谷断层 | |||
| rift fault: 8 phrases in 3 subjects |
| Engineering geology | 2 |
| Oil / petroleum | 4 |
| Technology | 2 |
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