Electrical appliance industry: the production of electrochemical capacitor (erosion of aluminum film); transportation of electrolyte in the production of dry cells and storage cells;
电器用具业：电解质电容器的生产（铝膜的浸蚀）；
Electrical appliance industry: the production of electrochemical capacitor (erosion of aluminum film); transportation of electrolyte in the production of dry cells and storage cells;
电器用具业：电解质电容器的生产（铝膜的浸蚀）；
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