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| 弯桨; 弯搅拌桨 | |||
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pitched blade : 32 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Aviation | 3 |
| Compressors | 1 |
| Electric machinery | 1 |
| Hydroelectric power stations | 1 |
| Refrigeration | 2 |
| Space | 1 |
| Technology | 3 |
| Wind Energy | 18 |
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