 |
| |||
| 战役展开; 展开战斗 | |||
| 改进性研制 | |||
| 产品改进性研制; 运行改进 | |||
|
operational development : 13 phrases in 5 subjects |
| Aviation | 5 |
| Economy | 2 |
| Electronics | 2 |
| Name of organization | 2 |
| 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