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| 摩擦能: 27 phrases in 11 subjects |
| Architecture | 2 |
| Automobiles | 2 |
| Aviation | 2 |
| Economy | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Footwear | 1 |
| General | 1 |
| Metallurgy | 1 |
| Plastics | 2 |
| Technology | 11 |
| Wind Energy | 3 |
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