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Terms for subject Coal containing in etwa | all forms | exact matches only | in specified order only
| German | English |
| lediglich in etwa 7 % saemtlicher Strebe wird Rueckbau betrieben | only about 7 % of all coal faces are worked on retreat |
|
| German | English |
| lediglich in etwa 7 % saemtlicher Strebe wird Rueckbau betrieben | only about 7 % of all coal faces are worked on retreat |