降低浸镀锌液的换热系数，采用小角度快速浸入可以降低焊缝区域温差。
The temperature difference of welding zone can be decreased with small dipping angle, high dipping speed and low heat exchange coefficient of dipping Zn liquid.
降低浸镀锌液的换热系数，采用小角度快速浸入可以降低焊缝区域温差。
The temperature difference of welding zone can be decreased with small dipping angle, high dipping speed and low heat exchange coefficient of dipping Zn liquid.
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