经过大量的抛光和擦拭，黄铜光亮如新。
It took a considerable amount of polish and elbow grease before the brass shone like new.
为了获得电镀的最佳结果，在生产中对珍珠镍、光亮镍、酸性铜和黄铜四种镀液的成分参数进行了统计分析。
The component data of pearl nickel, bright nickel, acidic copper and brass plating solution in production were analyzed when the best result of the plating deposit obtained.
结果表明，黄铜的化学抛光包括浸蚀、光亮和过腐蚀三个阶段，同时对黄铜化学抛光机理也进行了探讨。
Experimental results show that the polishing process includes the steps of etching, brightening and over-etching. The mechanism are also discussed.
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