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箍条箍 : 26 phrases in 10 subjects |
| Architecture | 1 |
| Engineering geology | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 1 |
| International trade | 2 |
| Metallurgy | 3 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 11 |
| Wind Energy | 3 |
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