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| 【铁】 铁口处炉墙厚度 (Hearth diameter refers to the diameter of the circle determined by the inside face of the refractory lining of the hearth, excluding any increase in the wall thickness at the tapholes. 炉缸直径指的是炉缸耐火衬内面圆的直径，铁口处炉墙厚度的增加部分不含其内。) | |||
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