【单选题】
离子交换过程中树脂层变化阶段有三个，下面叙述不正确的是___。
A. 交换带的形成阶段；
B. 交换带的交换阶段；
C. 交换带的移动阶段；
D. 交换带的消失阶段。
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答案
B
解析
暂无解析
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