According to the characteristics of arc welding with filler wire,experiments about the FCAW-CO_2 and SAW which is commonly used in steel bridge welding were carried out.

• 根据熔化极焊丝填充焊的特性,对钢桥焊接中普遍应用的药芯焊丝CO_2气体保护焊和埋弧自动焊进行了焊接试验。