The volume shrinkage of different cementitious materials was investigated. 摘要研究了不同胶凝材料体系水泥浆体的体积收缩变形特性。
Chemical analysis showed that there is a little magnesium in leavings, can be used to make cement or building gelation materials. 提取氧化镁后镁的含量很少的剩余物可用来制造水泥或胶凝材料。