logarithmic spiral
| arch dam
| logarithmic spiral | |
| tech. | logarithmische Spirale |
| arch dam | |
| construct. | Bogensperre; bogenförmige Sperre; gebogene Sperre; Gewölbesperre; Gewölbestaumauer; Bogendamm |
| el. construct. | Bogenmauer; Bogenstaumauer; Gewoelbemauer |
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| logarithmische Spirale | |||
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logarithmic spiral : 1 phrase in 1 subject |
| Construction | 1 |