基本释义:

炉顶塞砖

网络释义

1)dome plug,炉顶塞砖

2)arc furnace top brick,电炉顶砖

3)lintel bricks,炉门顶砖

4)block of suspended arch,炉顶吊砖

5)top brick of furnace,炉顶砖

6)heating up hole plug,烘炉孔塞砖