 |
| |||
| mechanical similarity | |||
| 力学相似性: 4 phrases in 4 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Metallurgy | 1 |
| Space | 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