The backwashof low frequency, high compressive strength, no powder, no hardening, high activity and large specific surface area, good regeneration effect.
反洗频率低，抗压强度高，不粉化、不板结，比表面积大，活性高，再生效果好。
The backwashof low frequency, high compressive strength, no powder, no hardening, high activity and large specific surface area, good regeneration effect.
反洗频率低，抗压强度高，不粉化、不板结，比表面积大，活性高，再生效果好。
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