covered-electrode welding
药皮焊条电弧焊
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药皮焊条手工电弧焊 SAMW
电弧焊的焊条是由焊芯和药皮两个部分组成的。
Electrode for arc welding consists of the core and the coat.
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通过理论分析及实验，探讨了手工电弧焊焊条药皮中添加金属镁粉的脱硫效果。
By adding magnesium powder into the coating of electrode, the sulphurs removal in deposited metal was satisfactory.
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