 |
| |||
| 冲孔模 | |||
| pierce die: 12 phrases in 4 subjects |
| Aviation | 9 |
| Metallurgy | 1 |
| Plastics | 1 |
| Technology | 1 |
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