 |
| |||
| concentric stranding | |||
|
同心绞合 : 3 phrases in 3 subjects |
| Cables and cable production | 1 |
| Electric machinery | 1 |
| Superconductivity | 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