研究了埋地管道体系的等效电路模型，为将电化学理论应用于管道涂层缺陷检测打下了坚实基础。
Equivalent circuit model corresponding to buried pipeline system is analyzed, which laid firm foundations of electrochemistry theory application to the detection of pipeline coating faults.
结果表明，随着浸泡时间的延长，在自然腐蚀电位下，存在剥离涂层缺陷时碳钢的腐蚀程度高于破损涂层缺陷时碳钢的腐蚀程度；
Experiments have shown that, on free corrosion potential, the corrosion of carbon steels with disbonding defect of coating is heavier than that of breaking defect of coating with times.
最后一层涂层应涂刷均匀一致没有任何表面缺陷。
The last layer is to be applied uniformly, with no surface defects.
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