Impressedcurrent cathodic protection technique is a kind of efficient measures for avoiding and slower the metal corrosion, so it was used more and more widely.
强制电流阴极保护技术是防止和缓解金属腐蚀的有效措施,因此得到了广泛应用。
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This paper describes the united anticorrosion methods of coatings and impressedcurrent electrochemical protection, which offers protection to old, badly corrosion water-carried pipeline.