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| bridge; dome; pressure dome | |||
| vault | |||
| crown; main arch; pillar arch | |||
| arch | |||
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abobada : 121 phrases, 12 sujets |
| Agriculture | 2 |
| Chimie | 1 |
| Construction | 20 |
| Électronique | 11 |
| Exploitation minière | 2 |
| Général | 17 |
| Industrie | 35 |
| L' | 3 |
| Lignes électriques | 1 |
| Médical | 3 |
| Métallurgie | 13 |
| Transport | 13 |