anodal closure contraction

例句：

1. 1. The anodal closure is a critical step in the process of electrochemical reactions.
   阳极闭合是电化学反应过程中的一个关键步骤。
2. 2. The anodal closure was achieved by applying a voltage between the two electrodes.
   通过在两个电极之间施加电压来实现阳极闭合。
3. 3. The anodal closure was used to prevent the corrosion of the metal surface.
   阳极闭合被用来防止金属表面的腐蚀。