 |
| |||
| medium depth hole | |||
| medium-deep well | |||
| medium deep well | |||
|
中 深 井 : 10 phrases in 4 subjects |
| Drilling | 1 |
| Earth sciences | 2 |
| Geophysics | 6 |
| Technology | 1 |
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