 |
| |||
| 干芯的 | |||
|
dry- core : 10 phrases in 5 subjects |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
| Wind Energy | 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