couple action

• 电偶作用

couple action的用法和样例：

例句

1. With the increase of mechanical pressure, the corrosion couple action between galena and iron is stronger, which is deleterious to galena flotation.
   增大方铅矿与铁介质间的机械力，二者之间的腐蚀电偶作用和体系的还原性增强，同样不利于方铅矿浮选。