经分析是空心铜导线有腐蚀产物沉积结垢，并对成因进行了探讨。
Upon analysis, it was concluded that the problem was caused by the deposition and scaling of corrosion products in the hollow copper conductor.
阻抗测试结果显示，随着浸泡时间的延长，腐蚀产物在合金表面沉积，对基体金属具有一定的保护作用。
According to the electrochemical impedance spectroscopy results, the corrosion products plating on alloys surface are partly protective to the parent metal with immersion time.
暴露于大气中的铝表面呈现三层结构，即氧化铝和氢氧化铝层、其上的腐蚀产物层和最上层的污染物沉积形成的污染物层。
A three layer of aluminum exposed to atmosphere is identified: the aluminum and its native oxide, the corrosion layer atop oxide aluminum, and a surface contamination layer.
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