 |
| |||
| 油气比; 燃油-空气比 | |||
|
oil-air ratio : 5 phrases in 3 subjects |
| Earth sciences | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
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