ion-exchange capacity

例句：

1. 1. The ion-exchange resin is used to remove heavy metals from water.
   离子交换树脂用于从水中去除重金属。
2. 2. The ion-exchange capacity of the soil is crucial for plant growth.
   土壤的离子交换容量对植物生长至关重要。
3. 3. The ion-exchange capacity of the battery is directly related to its lifespan.
   电池的离子交换容量与其寿命直接相关。