It elaborates on the movable flash welder, clamping and feed equipment, upsetting equipment, welding transformer and transformer cooling water pump station in billet welding.

• 描述了钢坯焊接中的移动式闪光焊机的夹紧与馈电装置、顶锻装置、焊接变压器、变压器冷却水泵站等。