略語大辞典 [E] 33 ECCS emergency core cooling system (原子炉の)緊急(または非常)用炉心冷却装置. 軽水型発電用原子炉の安全装置. emergency core cooling system; for a light-water cooled nuclear fission reactor; [E:Phys]. 丸善「略語大辞典」JLogosID : 11873054