 |
| |||
| 具体标准 | |||
|
specific standards : 12 phrases in 7 subjects |
| Aviation | 2 |
| Drilling | 2 |
| Electronics | 3 |
| Finances | 1 |
| Information technology | 1 |
| Name of organization | 1 |
| Space | 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