As a conversion medium, the filler metal effectively decreases the temperature of galvanized sheet within the heating zone, reducing the destroyed area of Zinc.
钎料作为能量转换体，可有效降低电弧加热区域内镀锌板的温度，使镀锌层破坏较少。
It can also avoid pretermission of plating, burnout of zinc layer on weld beam and heat affected zone, and other limitations on the inner surface of fuel tank made of galvanized sheet.
从而避免了传统电镀锌板直接焊接成型油箱内表面漏镀、焊缝及热影响区锌层烧损等缺陷。
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