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随着长距离引水工程的不断增多,采用阴极保护防腐的管线越来越普遍.通常采用的阴极保护方法有牺牲阳极法和外加电流法.本文分别介绍了这两种阴极保护系统中几种常见的异常现象及出现这些现象的原因.
With the continuous increase of long-distance water diversion project, cathodic protection corrosion protection pipeline is more and more common.A common cathodic protection method is sacrificial anode method and applied current method.In this paper, we introduce some common Abnormal phenomena and the reasons for these phenomena.