special quality fire-brick

例句：

1. 1.The construction of this special quality fire-brick factory is a significant investment in the future development of our city.
   建设这个特殊品质的耐火砖工厂是对我们城市未来发展的重大投资。
2. 2. This special quality fire-brick has excellent thermal conductivity and can effectively reduce the heat loss in buildings.
   这种特殊品质的耐火砖具有良好的热传导性能，能有效降低建筑物的热损失。
3. 3. The special quality fire-brick was used to construct the new hospital, which greatly improved the patient's recovery rate.
   这种特殊品质的耐火砖被用于建造新的医院，极大地提高了患者的康复率。