 |
| |||
| пентод; пятиэлектродная электронная лампа | |||
|
pentode : 20 phrases in 3 subjects |
| Automated equipment | 1 |
| Radio | 17 |
| Technology | 2 |
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