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。
Through people's long-time study, a way of no pollution is found for derusting-super high pressure jet derusting.
通过人们长期的努力摸索、研究，找到了一种无污染的除锈方法——超高压水射流除锈。
The derusting machine can save time, enhances the working efficiency and enhances the utilization ratio of the brush discs.
能节约时间而提高除锈机的工作效率；能提高刷盘的利用率。
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