Phosphogypsum can be used as a sulphate activator for the lime and fly ash system, but this system sets slowly and its early compressive strength is not high under the normal temperature.
石灰、粉煤灰胶结体系中，可用磷石膏作粉煤灰的硫酸盐激发剂，但该系统在常温下凝结较慢，早强不高。
Phosphogypsum can be used as a sulphate activator for the lime and fly ash system, but this system sets slowly and its early compressive strength is not high under the normal temperature.
石灰、粉煤灰胶结体系中，可用磷石膏作粉煤灰的硫酸盐激发剂，但该系统在常温下凝结较慢，早强不高。
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