 |
| |||
| 孔板节流; 装隔片 | |||
| 调整光阑; 遮光 | |||
| 定光圈; 改变光圈; 节流 | |||
|
диафрагмирование : 4 phrases in 3 subjects |
| Electronics | 1 |
| Quantum electronics | 2 |
| 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