Portland-, Iron Portland-, blast furnace- and trass cement; determination of granulated blast furnace slag content of iron Portland cement and blast furnace cement and trass content of trass cement
硅酸盐水泥、铁硅酸盐水泥、高炉水泥和矿渣水泥;铁硅酸盐水泥和高炉水泥中粒化高炉矿渣含量及矿渣水泥中矿渣含量的测定