Stainless steel pickling passivation paste 不锈钢酸洗钝化膏
Pickling and Passivation Verification 系统清洗和钝化的确认
The company has the strong construction team of stainless steel pickling passivation with the qualification certificate and actively participates in domestic large projects.
我公司拥有强大的酸洗钝化施工队伍，并拥有相关的资格证书。
The no pollution bright pickling passivation technique of copper parts introduced in this pa-per, has neither the toxic chromium containing materials nor nitrogen oxide pollution.
本文介绍的铜制件光亮酸洗钝化工艺，既无有毒的含铬物质，又无氮氧化物污染。
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