• The invention also discloses a method for butt joint by using the unit.

    发明公开了一种采用该装置进行对接方法

    youdao

  • Stress corrosion in flash welding butt joint of steel bar HRB400 is studied.

    针对HRB400钢筋闪光对焊接头应力腐蚀过程进行研究。

    youdao

  • A study was made of the welding procedure for X70-L245 butt joint of pipeline steel.

    针对不同强度级别管线x 70和L245对接焊接工艺进行研究

    youdao

  • A study was made of the welding procedure for X70-L245 butt joint of pipeline steel.

    针对不同强度级别管线x 70和L245对接焊接工艺进行研究

    youdao

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