 |
| |||
| air plug; Welch plug | |||
| 气孔 塞: 15 phrases in 7 subjects |
| Automobiles | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 2 |
| Technology | 6 |
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