 |
| |||
| 二重［对称］轴 | |||
| 二重轴; 二次轴 | |||
|
two -fold axis : 5 phrases in 3 subjects |
| Metallurgy | 3 |
| Oil / petroleum | 1 |
| Technology | 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