一号、二号和三号反应堆中的核燃料棒因冷却系统失灵而熔毁，导致其围护结构遭受破坏。
The nuclear fuel rods in reactors one, two and three melted down due to a failure of the cooling systems, causing damage to their containment structures.
采用相场模型和有限差分方法，模拟了过冷纯金属熔体的枝晶生长，计算区域为二维正方形均匀网格。
Dendrite growth has been simulated with the phase field method and finite difference schemes on a two dimensional rectangular domain with a uniform square mesh.
运用静态实验的方法，以尾矿玻璃熔体对碳化硅和二硅化钼耐火材料进行了侵蚀试验。
Static experiments on the corrosion of tailing glass melt to silicon carbide and silicon molybdenum refractories were made.
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