 |
| |||
| 直流磁场 | |||
|
DC field : 6 phrases in 5 subjects |
| Aviation | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Technology | 1 |
| 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