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大连/青岛/天津海运出口耐火砖 refractory brick 订舱报关
耐火材料一般分为两种,即 不定型耐火材料 和定型耐火材料。不定型耐火材料也叫浇注料,是由多种骨料或集料和一种或多种粘和剂组成的混合粉状颗料,使用时必须和一种或多种液体配合搅拌均匀,具有较强的流动性。定型耐火材料一般指耐火砖,其形状有 ...
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