back gouging
... 铲焊根 back chipping 刨焊根 back gouging 焊根焊道 root run ...
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通过对13 -5型马氏体不锈钢焊接接头进行等离子弧清根及碳弧气刨清根的比较,证明等离子弧清根对全焊透焊缝实施背面清根是可行的。
By comparing backgouging of plasma arc with carbon arc to the welded joint of 13-5 martensitic stainless steel, the backgouging of plasma arc is proved feasible for the full penetration weld.
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