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阻尼机 : 21 phrases in 9 subjects |
| Automobiles | 2 |
| Aviation | 3 |
| Electric machinery | 2 |
| Electronics | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 5 |
| Wind Energy | 2 |
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