电池锌阳极过去一直用汞防腐。
Mercury was used in battery zinc anodes as corrosion inhibitor in the past.
这种新型电池由不同层次组成：锌阳极和锰阴极等。
The new type of battery is composed of different layers: a zinc anode and a manganese cathode, among others.
这种新型电池由不同层次组成：锌阳极和锰阴极等。
The new type of battery is composed of different layers: a zinc anode and a manganese cathode, among others.
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