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물질의 상태변화를 계단 오르기로 공부하자. : 열에너지의 흡수와 방출의 상태변화 예(응고, 융해, 승화, 기화, 액화)
1:39
물질의 상태변화를 계단 오르기로 공부하자. : 열에너지의 흡수와 방출…
1.2K views6 months ago
YouTube청오영 (영교 서점)
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