chrome-magnesite firebrick

例句：

1. 1.The bricks are made from chrome-magnesite, which is a rare and valuable mineral.
   这些砖是用铬铁矿制成的，这是一种稀有且珍贵的矿物。
2. 2.The construction of the new hospital required the use of high-quality chrome-magnesite firebricks.
   新医院的建设需要使用高质量的铬铁矿砖。
3. 3. The engineer used chrome-magnesite firebricks to create a durable and long-lasting building structure.
   工程师使用铬铁矿砖来创造一个耐用且持久的建筑结构。