 |
| |||
| 滞留系数; 扼流系数 | |||
|
retardation coefficient : 7 phrases in 2 subjects |
| Hydroelectric power stations | 1 |
| Technology | 6 |
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