The coal has lower metamorphic grade with high ash.
煤的变质程度低，灰分高。
The addition of fly ash can further reduce the hydration heat of high belite cement.
粉煤灰可进一步降低高贝利特水泥本已较低的水化热。
Fly ash has the potential chemical cementitious characteristics and high specific surface area.
粉煤灰具有巨大的比表面积和潜在的化学胶凝特性。
Fly ash has the potential chemical cementitious characteristics and high specific surface area.
粉煤灰具有巨大的比表面积和潜在的化学胶凝特性。
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