Ferromanganese slag has the latent hydraulicity and volcanic ash, it can be used to build concrete admixtures and cement.
锰铁合金渣具有潜在的水硬性和火山灰性，可用作混凝土掺合料和水泥混合材料。
The method takes the manganese slag as the lightweight aggregate to be mixed with the volcanic tuff stone powder, the fly ash and the cement, thus producing the wall block by pressing.
本发明方法以锰渣作为轻骨料与火山凝灰岩石粉、粉煤灰和水泥混合压制成墙体砌块。
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