 |
| |||
| фоновое значение; фон | |||
| фоновой уровень загрязнения | |||
|
背景值 : 8 phrases in 5 subjects |
| Drilling | 1 |
| General | 2 |
| Geochemistry | 1 |
| Geology | 2 |
| Oil and gas | 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