hwanwon
reduction
réduction (de l'état) ; retour à un état antérieur
환원 과정은 화학 반응에서 중요한 역할을 합니다.
hwanwon gwajeong-eun hwahak ban-eungeseo jungyohan yeoghal-eul hamnida.
The reduction process plays an important role in chemical reactions.
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