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历时两年多的努力,湖南冷水江耐火材料厂从美国引进高级硅砖制造技术获得成功。高级硅砖是一种新型耐火材料,适用于
After more than two years of hard work, Hunan Lengshuijiang Refractories Factory succeeded in importing advanced silica bricks manufacturing technology from the United States. Advanced silica brick is a new refractory material, suitable for