熱ねつ交こう換かん器きねつこうかんきじ字FuriganaMeanings1nounheat exchangerA device that transfers heat between two or more fluids. Used in engineering, HVAC, and industrial contexts.この工こう場じょうでは大おお型がたの熱ねつ交こう換かん器きを使つかって廃はい熱ねつを回