 |
| |||
| carbonaceous compound | |||
|
碳质化合物 : 11 phrases in 3 subjects |
| Electric machinery | 2 |
| Metallurgy | 6 |
| 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