冷镀锌钢管给水管材因其管材自身的缺陷从而对水质造成污染，因腐蚀渗漏而影响人们的生活质量并导致水资源的浪费。
Cold galvanized steel pipe, its own defects tend to pollute the water quality, the corrosion and leakage affect people's life quality and results in the water waste.
冷镀锌钢管给水管材因其管材自身的缺陷从而对水质造成污染，因腐蚀渗漏而影响人们的生活质量并导致水资源的浪费。
Cold galvanized steel pipe, its own defects tend to pollute the water quality, the corrosion and leakage affect people's life quality and results in the water waste.
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