 |
| |||
| 直流电 | |||
| direction current: 23 phrases in 7 subjects |
| Bridge construction | 2 |
| Drilling | 3 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 13 |
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