 |
| |||
| countercurrent gas flow | |||
|
逆 流气流 : 22 phrases in 7 subjects |
| Agriculture | 1 |
| General | 2 |
| Oil / petroleum | 1 |
| Polymers | 2 |
| Rail transport | 1 |
| Technology | 14 |
| Water resources | 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