 |
| |||
| 升运器上鼓轮 | |||
| 磁头鼓 | |||
| head wheel: 12 phrases in 5 subjects |
| Automobiles | 2 |
| Electric machinery | 1 |
| Metallurgy | 3 |
| Shipbuilding | 1 |
| Technology | 5 |
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