 |
| |||
| relief groove | |||
|
应力 槽 : 22 phrases in 8 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Drilling | 8 |
| Electric machinery | 1 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Nautical | 1 |
| Oil / petroleum | 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