 |
| |||
| 电子射线 | |||
| |||
| 电子射线 | |||
| 电子束 | |||
| electron rays: 43 phrases in 13 subjects |
| Chemistry | 1 |
| Earth sciences | 6 |
| Ecology | 1 |
| Electronics | 8 |
| Engineering geology | 1 |
| General | 5 |
| Geology | 6 |
| Geophysics | 1 |
| Metallurgy | 4 |
| Polygraphy | 1 |
| Space | 3 |
| Technology | 5 |
| 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