 |
| |||
| relieving arc; discharging arc | |||
| discharging arch; inverted arch; safety arch; rough arch; arriere-voussure (за гранью стены); reversed arch | |||
| rear arch (за гранью стены) | |||
| blank arch | |||
| relief arch; unloading arch | |||
| relieving arch | |||
| разгрузочная арка: 6 phrases in 3 subjects |
| Architecture | 3 |
| Construction | 2 |
| Technology | 1 |