 |
| |||
| 散射范围带 | |||
| |||
| 分散范围 | |||
|
scattering range : 7 phrases in 2 subjects |
| Hydroelectric power stations | 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