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 production sodium hydride achievement treats the golden industry zinc sheet iron's derusting medicinal preparation;
生产氢化钠作为治金工业锌铁板的去锈剂；
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。
Derusting, oxide skin removing and surface hardening for copper castings, sheet metal, stainless steel strips, aluminum castings.
铜合金铸件，薄板、不锈钢带、铝合金铸件除锈、除氧化皮及表面强化。
Surface cleaning is critically important for pipe coating, and shot (impeller) blasting is the most suitable derusting method for most kinds of coating materials.
钢管的表面处理是决定覆盖层质量的关键因素，对大多数覆盖层而言，喷(抛)丸除锈法是最理想的除锈方式。
The ship to be dry-docked for inspecting, derusting, painting and other underwater works. The work also includes tug service, line handling and gangway arrangement.
船舶要进坞检查、除锈、油漆以及进行其他的水线下工程，这些工作也包括使用拖轮、带缆及装设舷梯。
The pouring process comprises making the center and both sides material of the compound steel, derusting and decontamination, pouring steel melt, derusting for relevant equipments.
对中心及两边材料进行除锈及去杂质；通过模具的中注管浇注钢水；以及抛丸清理机和其它设备除锈除杂质等过程。
The pouring process comprises making the center and both sides material of the compound steel, derusting and decontamination, pouring steel melt, derusting for relevant equipments.
对中心及两边材料进行除锈及去杂质；通过模具的中注管浇注钢水；以及抛丸清理机和其它设备除锈除杂质等过程。
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