dome plug是什么意思

中文翻译炉顶塞砖

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