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| винтовое зубчатое колесо | |||
| винтовое колесо; косозубое колесо | |||
| helical wheel: 7 phrases in 5 subjects |
| Gear train | 2 |
| General | 1 |
| Technology | 1 |
| Textile industry | 1 |
| Transport | 2 |
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