But highenergybeam welding makes the welded seam become braze-welding when adding fill material.
但加填充材料对铍进行高能束焊接可使焊缝形成钎接焊。
2
Laser and electron beam welding produce thermal shocks on the materials with rapid transient and concentrated highenergybeam.
激光、 电子束等高能束焊接加热具有升温速度快、热集中性与瞬时性强等特点，对被焊材料造成热冲击。
3
The concept, characteristics and application of highenergybeam machining, electrical discharge machining, electrochemical machining and material abscission machining separately discuss.