单词：ion exchange
ion exchange的用法和样例：
例句
- Complete demineralization is achieved by ion exchange.用离子交换可以获得彻底的脱盐效果。
- Sodium chloride and hydrochloric acid are often used to regenerate spent ion exchange resins used in water purification.氯化钠和盐酸常用来再生水净化中用的废的离子交换树脂。
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