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| dome-shaped roof | |||
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| cap vault | |||
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拱形 顶 : 147 phrases in 11 subjects |
| Animal husbandry | 1 |
| Architecture | 11 |
| Automobiles | 2 |
| Engineering geology | 2 |
| Exhibitions | 1 |
| General | 4 |
| Hydroelectric power stations | 1 |
| Metallurgy | 7 |
| Oil / petroleum | 2 |
| Technology | 114 |
| Wind Energy | 2 |
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