It has mang virtues such as weld moulding beauty, weld quanlity credibility and so on, espcially it can conquer not weld fully, not fusion and so forth fatal vice.

• 它具有焊缝成型美观、焊接质量可靠等优点，特别是对克服常规焊接方法中的未焊透、未熔合等危险性缺陷具有重要意义。