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| двухкривошипный механизм; двойная кривошипная рукоятка | |||
| шарнирный четырёхзвенник с обоими вращающимися кривошипами | |||
| Doppelkurbel: 3 phrases in 3 subjects |
| Automobiles | 1 |
| Machine components | 1 |
| Mining | 1 |
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