Plug-in design of Iron, hot air handle, tweezers and power cord is easy replacement, save the maintenance cost and transportation expense.
烙铁，热风手柄，镊子及电源线均为接插式设计，方便替换，节省维修费及运输费用。
Hot dip galvanizing is commonly used in plating cast iron pipe due to the particularity of material and shape, resulting in high zinc and energy consumption and high cost.
铸铁管件由于材质和形状的特殊性，一般采用热镀锌，但耗锌量大，能耗大，成本高。
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