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日本最近宣称开发了一项冷却混凝土的新技术降低水化热。水化热是水泥与水结合时发生化学反应产生的。这种水化热能够把大型混凝土建筑物的强度降低20％～30％。这项新技
Japan recently announced the development of a new technology for cooling concrete to reduce the heat of hydration. The heat of hydration is a chemical reaction that occurs when cement is combined with water. This hydration heat can reduce the strength of large concrete buildings by 20% to 30%. This new technique