high-alumina electrical porcelain

例句：

1. 1. The high-alumina electrical porcelain is widely used in the construction of power grids.
   高铝电瓷在电力网的建设中被广泛使用。
2. 2. The high-alumina electrical porcelain is a material that has excellent thermal conductivity and dielectric properties.
   高铝电瓷是一种具有优良热导率和介电性能的材料。
3. 3. In the manufacturing process, the high-alumina electrical porcelain undergoes a series of complex processes to ensure its quality and performance.
   在制造过程中，高铝电瓷需要经过一系列复杂的过程，以确保其质量和性能。