槽式热镀锌桥架（实物图）

    热镀锌也就是热浸锌，其制作的工艺过程是将钢件或铸件浸入熔融的锌液中在其表面形成锌、 铁合金或锌和锌 、铁合金覆盖层的工艺过程和方法。 热镀锌镀层较厚，抗腐蚀能力较强

Hot dip galvanized or hot-dip galvanized, its production process is the process and method of zinc, iron alloy or zinc and zinc, iron alloy layer is formed on the surface of the liquid zinc or steel castings immersed in the molten. Hot dip galvanizing coating thick, strong resistance to corrosion