圆盘式膜堆是该软水装置的核心部分，其特征是软水室中填充单 一的强酸性阳离子交换树脂。
The disk type module is the core of the water softening plant and is characterized in that the water softening chamber is filled with single strong acid cation exchange resin.
圆盘式膜堆是该软水装置的核心部分，其特征是软水室中填充单 一的强酸性阳离子交换树脂。
The disk type module is the core of the water softening plant and is characterized in that the water softening chamber is filled with single strong acid cation exchange resin.
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