 |
| |||
| 钻头上金刚石的镶嵌重量 | |||
|
set weight : 14 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Drilling | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Statistics | 2 |
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