 |
| |||
| 不透辐射热物体 | |||
| 不透辐射热体指辐射透射系数极小的物体; 绝热体 | |||
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