Such as: coking furnace, iron, water, steel converter, pouring ladle, tundish, ladle covered, boilers, electric furnace and heat treatment furnace, and so on.

• 如：焦化炉、铁水罐、炼钢转炉、浇注钢包、中间包、钢包盖、锅炉、电炉及热处理炉等。