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| 叶片式扩散器 | |||
| 叶片扩压器 | |||
| vane diffuser: 13 phrases in 6 subjects |
| Automobiles | 3 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Space | 2 |
| Technology | 5 |
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