| 释义 |
〔regulus〕The metallic mass that sinks to the bottom of a furnace or crucible during smelting.金属渣:在熔化过程中沉到炉底或坩埚底部的金属物质〔bulldog〕A heat-resistant material used to line puddling furnaces.隔热材料:搅炼炉的打炉底隔热材料〔hearth〕The bottom of a reverberatory furnace, where ore is exposed to the flame.炉底:矿石在此暴露在火焰中的反射炉的底部 |