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| complete structure | |||
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完整结构 : 46 phrases in 9 subjects |
| Automobiles | 4 |
| Aviation | 15 |
| Earth sciences | 1 |
| Metallurgy | 3 |
| Nautical | 2 |
| Shipbuilding | 10 |
| Space | 3 |
| Technology | 7 |
| Wind Energy | 1 |
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