unfired brick

• 不烧砖,不经过煅烧的砖

unfired brick的用法和样例：

例句

1. Alumina-magnesia type unburned brick,which has been successfully used in many iron and steel companies.
   铝镁质为不烧砖，已在八一钢铁等多家钢铁公司进行使用，效果较好。