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本文研究了１６Ｎｉｃｏ超高强度钢回火酸浸蚀行为，结果表明，１６Ｎｉｃｏ钢可以用硝酸酒精溶液进行回火酸浸蚀检查。
In this paper, the tempering acid etching behavior of 16Nico ultra-high strength steel was studied. The results show that 16Nico steel can be inspected by tempering with nitric acid solution.