The activity of Na2SO4 can improve the performance of low-active flyash, such as improving the early strength, reducing cracks, shorting construction period and ensuring the construction quality.
用硫酸钠添加剂的方法改善低活性粉煤灰，可以提高二灰碎石的早期强度、减少裂缝、缩短施工周期，并保证施工质量。
The activity of Na2SO4 can improve the performance of low-active flyash, such as improving the early strength, reducing cracks, shorting construction period and ensuring the construction quality.
用硫酸钠添加剂的方法改善低活性粉煤灰，可以提高二灰碎石的早期强度、减少裂缝、缩短施工周期，并保证施工质量。
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