 |
| |||
| vacuum refrigeration | |||
|
真 空冷 冻 : 20 phrases in 4 subjects |
| Oil processing plants | 2 |
| Refrigeration | 2 |
| Technology | 14 |
| Water resources | 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