[연습문제 2016.11.29] 참여하면 3~9개의 재산 보상이 주어집니다
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다지선다형 문제 1. 열교환을 향상시키는 기술적 조치로는 ( B D)가 있습니다. A、매체의 온도 상승 B、열전달 면의 구조 개선 C、매체 유량 증가 D、구조 제어참고: 숨겨진 **를 표시한 후 답변하면 점수를 부여하지 않습니다. 감사합니다!
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