With the increase of immersion time, the corrosion potential shifted negatively, the polarization resistance reduced and the difference of corrosion potential became larger.
铁丝的腐蚀不均匀，自腐蚀电位和极化电阻分布较分散，随时间增加、自腐蚀电位负移、极化电阻变小、丝束之间的电位差增大。
With the increase of immersion time, the corrosion potential shifted negatively, the polarization resistance reduced and the difference of corrosion potential became larger.
铁丝的腐蚀不均匀，自腐蚀电位和极化电阻分布较分散，随时间增加、自腐蚀电位负移、极化电阻变小、丝束之间的电位差增大。
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