 |
| |||
| структурная скважина | |||
|
构造 井 : 13 phrases in 5 subjects |
| Drilling | 6 |
| General | 3 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| 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