作为预脱盐的手段置放于离子交换系统之前，可延长离子交换系统的再生周期。
It is used before ion exchange system as a means for pre-desalination and can extend the regeneration cycle of the ion exchange system.
作为预脱盐的手段置放于离子交换系统之前，可延长离子交换系统的再生周期。
It is used before ion exchange system as a means for pre-desalination and can extend the regeneration cycle of the ion exchange system.
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