冷镀锌是通过电化学原理来进行工件表面防腐处理的一种工艺。
热镀锌、冷镀锌、喷漆、浸防锈油、不处理。
Hot galvanized, cold galvanized, spray, dip antirust oil, processing.
冷镀锌丝：是以低碳钢为芯线，通过拔丝、电镀锌工艺加工制成的金属复合材料。
Electro galvanized iron wire: Is take the low-carbon steel as the core, through the wire drawing, the electricity galvanization craft processing makes the metallic composite.
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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