ARTICLE👁 1welding · surface · corrosion
焊接后酸洗钝化：必要性与工艺窗口
什么时候必须酸洗钝化、常见配比与废液处理注意点。
Welding destroys the passive layer. Pickling and passivation restore corrosion resistance; required for sanitary, marine and chemical service. Follow environmental rules for acid waste.
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