短語詞組短語descriptors steel ladle turret 鋼包廻轉臺rigid arm ladle turret 鋼包廻轉臺ladle turret foundation 鋼包廻轉臺基礎Ladle Turret of Slab Caster 板坯連鑄機大包廻轉臺 返回 ladle turret