 |
| |||
| pen recorder; pen writing recording instrument | |||
|
笔式 记录 器 : 6 phrases in 3 subjects |
| Earth sciences | 1 |
| Metallurgy | 1 |
| Technology | 4 |
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