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coving | |||
vault | |||
cylindric vault; cylindrical vault; vaulting | |||
barrel arch; barrel vault; barrel vaulting | |||
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barrel arch |
筒拱 : 98 phrases in 9 subjects |
Architecture | 7 |
Bridge construction | 1 |
Construction | 1 |
Electronics | 1 |
General | 1 |
Hydroelectric power stations | 11 |
Metallurgy | 1 |
Technology | 74 |
Water resources | 1 |