weak-acid ion exchange resin

例句：

1. 1. The weak acid ion exchange resin is used to remove impurities from water.
   弱酸离子交换树脂用于从水中去除杂质。
2. 2.The weak acid ion exchange resin was developed to improve the efficiency of water treatment.
   弱酸离子交换树脂被开发出来以提高水处理的效率。
3. 3. The weak acid ion exchange resin is commonly used in industrial processes to remove metal ions.
   弱酸离子交换树脂在工业过程中常被使用来去除金属离子。