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通过失重法测定了Ａ３ 钢在不同浓度的环烷酸中的腐蚀速率，提出了环烷酸Ａ３ 钢的腐蚀机理．观察了Ａ３钢表面的腐蚀形貌，Ａ３ 钢腐蚀速率随环烷酸浓度的增加而增加．
The corrosion rate of A3 steel in different concentrations of naphthenic acid was measured by weight loss method, and the corrosion mechanism of naphthenic acid A3 steel was proposed. The corrosion morphology of A3 steel was observed. The corrosion rate of A3 steel increased with the increase of naphthenic acid concentration.