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| 悬臂式拱桥; 悬臂拱形桥; 伸悬臂拱式大梁; 悬臂拱形大梁; 悬臂拱梁; 悬臂弓形架 | |||
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cantilever arched bridge : 3 phrases in 2 subjects |
| Electronics | 1 |
| Technology | 2 |
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