 |
| |||
| 定零装置 | |||
| zeroing device: 9 phrases in 5 subjects |
| Electronics | 3 |
| Geophysics | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 3 |
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