因此，确定电解浸蚀法作为铜铬稀土合金定量金相分析的试样制备方法是切实可行的。

Consequently, it is feasible to determine electro-etching method as the sample preparation method about quantitative metallographic analysis in CuCrRE alloy.

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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;

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