必须先做除锈及去氧化膜处理，一般使用化学抛光或电解抛光。
Must do derusting and to oxidation film processing, generally use chemical polishing or electrolytic polishing.
化学钝化：将制件放在含有氧化剂的溶液中处理，使表面形成一层很薄的钝态保护膜的过程。
Chemical passivation: will contain antioxidant parts in solution in processing, make the surface to form a thin film of the state of the process. Blunt.
通过为不锈钢表面提供一个氧化环境的化学处理，钝化膜可以得到增强。
The passive film may be augmented by chemical treatments that provide an oxidizing environment for the stainless steel surface.
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