rotation frequency
| infinitely variable control
| rotation frequency abbr. | |
| seism. | частота обращения |
| infinitely variable control abbr. | |
| tech. | бесступенчатое регулирование |
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| частота обращения | |||
| частота вращения | |||
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rotation frequency : 6 phrases in 4 subjects |
| General | 1 |
| Makarov | 2 |
| Production | 1 |
| Technology | 2 |