Must do derusting and to oxidation film processing, generally use chemical polishing or electrolytic polishing.
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。
The results show that, after being treated by ac phosphoric pore broadening, the electrolytic coloring performance of the anodizing aluminium film varies obviously.
结果表明，铝阳极氧化膜经磷酸溶液交流扩孔后，氧化膜的电解着色性能发生了明显变化。
Products wanted: Raw materials for aluminium electrolytic capacitors and plastic film capacitors.
需要货品：铝电解电容器及塑料薄膜电容器的原材料。
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