ground water lowering | |
construct. | Grundwasserabsenkung; Grundwasserhaltung; Wasserhaltung; Wasserhaltungsarbeiten |
system | |
gen. | Methode; System; Anlage |
ground water lowering: 18 phrases in 5 subjects |
Agriculture | 3 |
Construction | 5 |
Mining | 3 |
Natural resourses and wildlife conservation | 6 |
Opencast mining | 1 |