Formed Surface Oxidation Film 由于表面氧化膜
Chemical oxidation: through the chemical processing the metal surface oxidation film formation process.
化学氧化：通过化学处理使金属表面形成氧化膜的过程。
Weak erosion before plating, in a certain: remove metal parts in the solution of surface extremely thin oxidation film, and make the process of surface activation.
弱浸蚀：电镀前，在一定组成溶液中除去金属制件表面极薄的氧化膜，并使表面活化的过程。
Increasing the consistency of surface film is the basic measure of decreasing oxidation reaction.
提高表面膜的致密度，是降低氧化反应的根本措施。
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