• The defects will be found in the seam side with ultrasonic inspection but hardly found with X ray inspection as the small diameter spiral pipe production with the split strip steel.

    采用纵剪带钢生产小口径螺旋焊管时,超声波检验经常焊缝一侧发现缺陷波,X射线拍片检验很难发现。

    youdao

  • The defects will be found in the seam side with ultrasonic inspection but hardly found with X ray inspection as the small diameter spiral pipe production with the split strip steel.

    采用纵剪带钢生产小口径螺旋焊管时,超声波检验经常焊缝一侧发现缺陷波,X射线拍片检验很难发现。

    youdao

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