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| settlement crack | |||
| |||
| secondary roof break (Bodenmechanik) | |||
| first break; roof break; weight break | |||
| break (im Hangenden); breaker (an der Versatzseite); main roof break; subsidence break | |||
| |||
| secondary roof-breaks | |||
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Setzriss : 1 фраза в 1 тематиці |
| Гірнича справа | 1 |