 |
| |||
| 管壳 | |||
| 管壳 (壁); 管壁 | |||
|
shell of pipe : 2 phrases in 2 subjects |
| Chemistry | 1 |
| Hydroelectric power stations | 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