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| |||
| crown (верхняя выпуклая поверхность между пятами арки или свода) | |||
| arch apex; vault crown; crown; crown of vault; apex of vault | |||
| vault head; apex of arch | |||
| soffit | |||
| crown of arch (тоннеля) | |||
| шелыга свода: 5 phrases in 3 subjects |
| Architecture | 3 |
| Construction | 1 |
| Rail transport | 1 |