 |
| |||
| diffracted beam | |||
| 衍射 射束: 23 phrases in 10 subjects |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| Geology | 1 |
| Metallurgy | 8 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Space | 2 |
| Technology | 3 |
| Telecommunications | 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