 |
| |||
| human factor principles (应用于航空设计、认证、训练、操作和维修的准则，以及通过适当地考虑人体机能而在人与其他系统间寻求安全界面的准则) | |||
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