 |
| |||
| grade | |||
|
平土方 : 42 phrases in 7 subjects |
| Architecture | 4 |
| Bridge construction | 2 |
| Engineering geology | 2 |
| Hydroelectric power stations | 5 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 27 |
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