 |
| |||
| непроницаемый пласт | |||
|
不 渗透层 : 7 phrases in 4 subjects |
| General | 1 |
| Geology | 2 |
| Oil / petroleum | 2 |
| Oil and gas 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