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| 转动叶螺旋桨 | |||
| 带转动桨叶的螺旋桨; 转叶螺旋桨; 活叶推进器; 補咯疝桨叶的螺旋桨 | |||
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| 动叶推进器 | |||
| винт с поворотными лопастями: 1 phrase in 1 subject |
| Technology | 1 |
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