馬丁爐

mǎdīnglú

Martin furnace; open-hearth furnace; open hearth

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Ma3 ding1 lu2

Martin furnace, open hearth furnace, open hearth

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馬丁爐|马丁炉 [Mǎ dīng lú] ► Martin furnace ► open hearth furnace ► open hearth