 |
| |||
| drill pipe | |||
|
钻探管 : 21 phrases in 7 subjects |
| Engineering geology | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Polymers | 1 |
| Steel production | 1 |
| Technology | 13 |
| United Nations | 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