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| угол трубы; колено трубы; коленчатая труба; патрубок | |||
| изгиб; выемка в станине (токарного станка); угольник (инструмент); колено (трубы, вала) | |||
| code: 24 phrases in 3 subjects |
| Oil / petroleum | 7 |
| Security systems | 1 |
| Technology | 16 |
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