 |
| |||
| 修正因数 | |||
|
factor of correction : 6 phrases in 4 subjects |
| Bridge construction | 1 |
| Electric machinery | 1 |
| Hydroelectric power stations | 1 |
| 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