| |||
| провал частотной характеристики | |||
|
frequency response trough : 3 phrases in 2 subjects |
| Makarov | 1 |
| Non-destructive testing | 2 |
| |||
| провал частотной характеристики | |||
|
frequency response trough : 3 phrases in 2 subjects |
| Makarov | 1 |
| Non-destructive testing | 2 |