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| 叶根 (叶片根部非叶型部分，包括与轮盘连接的榫头) | |||
| 螺旋桨的叶根 | |||
| 叶根 | |||
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blade root : 17 phrases in 6 subjects |
| Aviation | 3 |
| Electronics | 1 |
| Nautical | 1 |
| Space | 1 |
| Technology | 3 |
| Wind Energy | 8 |
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