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| 活动轮叶 | |||
| 可动叶片; 活动桨叶; 动叶片 | |||
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movable blade : 8 phrases in 5 subjects |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Technology | 4 |
| Textile industry | 1 |
| Water resources | 1 |
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