exchange resin

• 交换树脂

exchange resin的用法和样例：

例句

1. The sodium is removed with cation exchange resin.
   钠用阳离子交换树脂来分离。
2. A new method for the determination of trace iron by ion exchange resin phase spectrophotometry was developed.
   提出了利用离子交换树脂相分光光度法测定痕量铁的方法。