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| ключ-фильтр (position of the filter which gives the weakest signal for a given source lamp current Matthew Poymsky) | |||
| ключевой фильтр (A metadata column or field in a Key Filters control) | |||
| искрогасящий фильтр | |||
| искрогаситель ключа | |||
| key filter: 2 phrases in 2 subjects |
| Communications | 1 |
| Electronics | 1 |