 |
| |||
| porosity | |||
|
透 气量 : 12 phrases in 4 subjects |
| Aviation | 4 |
| Mining | 1 |
| Space | 3 |
| Technology | 4 |
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