 |
| |||
| pivot center | |||
| 摆 心: 28 phrases in 10 subjects |
| Automobiles | 2 |
| Bridge construction | 1 |
| Electronics | 2 |
| General | 2 |
| Oil / petroleum | 2 |
| Otorhinolaryngology | 1 |
| Space | 6 |
| Technology | 9 |
| Textile industry | 2 |
| Wind Energy | 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