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hazen (единица цвета dongzg_anthony) | |||
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Hazen (ед. изм. цвета воды Alexander Demidov) |
хазен: 10 phrases in 8 subjects |
Construction | 1 |
Ecology | 1 |
Firefighting and fire-control systems | 2 |
Hydrology | 1 |
Makarov | 1 |
Pharmacy and pharmacology | 2 |
Quality control and standards | 1 |
Water resources | 1 |