main water quality index 主要水质指标
When weak basic anion exchange resin is applied in water treatment, its main performance index operating exchange capacity is mainly affected by the residual ion exchange capacity in exhausted bed.
弱碱性阴离子交换树脂用于水处理时，其主要性能指标———工作交换容量，主要取决于失效树脂层中残余交换容量的大小。
Its main role is to reduce the raw water pollution index, and residual chlorine and other impurities, to reverse osmosis water requirements.
其主要作用是降低原水的污染指数和余氯等其他杂质，达到反渗透的进水要求。
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