The test shows the corrosion self electric potential has negative displacement and the corrosion self rate is reduced if there is deposit on the wall.
试验表明：表面有沉积物时，碳钢自腐蚀电位负移、自腐蚀速率减小；
The test shows the corrosion self electric potential has negative displacement and the corrosion self rate is reduced if there is deposit on the wall.
试验表明：表面有沉积物时，碳钢自腐蚀电位负移、自腐蚀速率减小；
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