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| 齿距线 (зубчатого колеса); 带线 (зубчатого колеса) | |||
| 分度圆; 节圆 (зубчатого колеса); 分圆 | |||
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делительная окружность : 14 phrases in 4 subjects |
| Automobiles | 6 |
| Engineering | 1 |
| Rail transport | 1 |
| Technology | 6 |
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