danyeolje
insulation
isolant (matériau isolant, général) ; matériau isolant ; isolant thermique
이 건물은 단열제가 잘 되어 있어서 에너지 효율이 높습니다.
I geonmul-eun danyeolje-ga jal doeeo isseo-seo eneoji hyoyul-i nopseubnida.
This building has good insulation, so its energy efficiency is high.
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