炉底
(furnace，hearth)bottom，bed(of furnace)，bottom side，end plate，well，hearth floor(高炉的)◇打结［捣制］炉底*，带风眼的炉底(转炉的)【钢】tuyere bottom，捣筑炉底【冶】rammed well，碟形炉底*，冻结炉底【冶】plated hearth，风冷炉底【铁】air-cooled bottom，固定式炉底【压】base，弧形炉底arched hearth，碱性炉底basic bottom，可卸炉底*，连续(式)辊动炉底*，烧结炉底burned bottom，酸性炉底acid bottom，碳质［碳块］炉底carbon hearth(bottom)，移动式炉底moving floor，有效炉底面积active furnace area |