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判斷題

進(jìn)行大直徑鋼筋焊接時，宜首先采取鋸割或氣割方式對鋼筋端面進(jìn)行平整處理。

答案：正確

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當(dāng)電源電壓下降大于5%時不能進(jìn)行焊接。

答案：錯誤

鋼筋端部有彎折、扭曲時，在焊接前應(yīng)予以矯正或切除。

答案：正確

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