... uphand welding仰焊 uphill welding上坡焊 upset butt welding电阻对焊; 电阻对接焊 ...
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upward welding in the inclined position
... 倾斜焊inclined position welding 上坡焊upward welding in the inclined position 下坡焊downward welding in the inclined position ...
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