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| 半年轮 | |||
| 半圆环 | |||
| 半圆形扣环 | |||
| 半圆圈; 半环型钓钩轴头型式 | |||
| 半环; 半圈; 半环管; 半垫圈; 对开环 | |||
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полукольцо : 51 phrases in 7 subjects |
| Electronics | 1 |
| Engines | 3 |
| General | 18 |
| Jet engines | 4 |
| Mathematics | 1 |
| Skydiving | 3 |
| Technology | 21 |
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