fire-clay brick 火砖

High duty fire clay brick 高粘土质耐火砖

fire clay brick fire-clay brick 火泥砖

non-fire-clay brick 非烧结粘土砖

low-duty fire-clay brick 低级耐火粘土砖

super-duty fire-clay brick 优质耐火砖

light fire-clay insulating brick 轻质耐火粘土保温砖 ; 轻质耐火黏土保温砖

Fire Clay and Fire Brick 耐火泥与耐火砖