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земляная | дренажная система
| дренажная система | |
| oil | منظومة صرف المياه |
| земляная: 24 phrases in 7 subjects |
| Agriculture | 3 |
| Botany | 13 |
| Environment | 3 |
| Food industry | 2 |
| Oil / petroleum | 1 |
| Technology | 1 |
| Water resources | 1 |