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| Dränschicht f | |||
| Filterschicht f | |||
| Filterlage m; Sickerfilter n; Sandfilterlage f | |||
| Filterschicht f (water treatment) | |||
| Flächenfilter n; Drainageschicht f | |||
|
filter layer : 11 phrases in 7 subjects |
| Construction | 3 |
| Cultural studies | 1 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 2 |
| Physics | 2 |
| Refrigeration | 1 |
| Technology | 1 |