calcined powder

例句：

1. 1. The calcined powder was used to make the bricks.
   煅烧粉被用来制作砖块。
2. 2. The calcined powder is a key component in the production process.
   煅烧粉是生产过程中的关键成分。
3. 3. The calcined powder is used as a filler in cement and concrete.
   煅烧粉用作水泥和混凝土的填料。