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分析给水管道内表面腐蚀成因及水质对腐蚀的影响，提出几种控制腐蚀的方法，即：改造原有的旧金属管，采用抗蚀材料；改变水质和加入减蚀剂
Analyze the causes of corrosion in the inner surface of the water supply pipeline and the effect of water quality on corrosion. Several methods for controlling corrosion are proposed, namely: reconstruct the old metal pipe, use anti-corrosion materials, change the water quality and add inhibitors.