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degree of hardness (воды) | |||
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hardness degree | |||
hardness number (воды) | |||
degree of hardness; hardening degree |
градус жёсткости : 17 phrases in 7 subjects |
Analytical chemistry | 4 |
Chemistry | 5 |
Construction | 1 |
General | 1 |
Metrology | 2 |
Technology | 3 |
Transport | 1 |