 |
| |||
| plan for operating | |||
| operation planning | |||
| 运营计 划: 12 phrases in 6 subjects |
| Aviation | 2 |
| Project management | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 6 |
| United Nations | 1 |
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