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| площадь лопасти | |||
| площадь поверхности лопасти | |||
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桨叶面 积 : 14 phrases in 6 subjects |
| Aviation | 1 |
| Construction | 1 |
| General | 3 |
| Military | 1 |
| Shipbuilding | 1 |
| Technology | 7 |
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