彩色热镀
Coloring hot-dip galvanization
钢丝热镀Galfan合金
hot-dip Galfan alloy on steel wire
高铝锌基热镀合金
Al-Zn base alloy for hot-dip galvanizing
high aluminum hot-dipping zinc alloy
结构件热镀用合金
alloy for hot-dipping structure
热镀5%铝锌合金
hot-dipped 5 %Al-Zn alloy
热镀Zn-Al-Mg合金层
hot-dipping Zn-Al-Mg alloy coating