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| fluidic theory | |||
| 流体论: 25 phrases in 7 subjects |
| Chemistry | 3 |
| Compressors | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Mining | 3 |
| Technology | 11 |
| Wind Energy | 5 |
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