hwahakjeok sansoyoguryang
Chemical Oxygen Demand
Demande Chimique en Oxygène ; DCO
이 강의 화학적 산소요구량이 높습니다.
I gang-ui hwahakjeok sansoyogu-ryangi nopseumnida.
The chemical oxygen demand of this river is high.
More words starting with 화
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