- 平炉: open-hearth furnace; open he ...
- 栅: railings; paling; palisade; ...
- 炉栅: grate bar; grid melter
- 平炉: [冶金学] open-hearth furnace; open hearth; martin furnace◇平炉钢 martin steel; 平炉炼钢法 open-hearth process
- 火炉栅: furnace grates
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