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同心圆
| 筒
| 同心圆 | |
| gen. | концентрические круги |
| math. | концентрические окружности |
| O&G | концентрическая окружность |
| 筒 | |
| gen. | трубка; цилиндр; трубчатый |
| 同心圆: 11 phrases in 6 subjects |
| Cables and cable production | 1 |
| General | 4 |
| Medical | 1 |
| Metallurgy | 2 |
| Oil processing plants | 1 |
| Technology | 2 |
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