the great progress in welding consumables has been made in china and the outputs of production and consume of covered electrode are as the largest in the world.
焊接材料的发展在我国已取得长足的进步,焊条的产量和消费量居世界第一。
the effect of harc and liquid bridge coexist「of low hydrogen type covered electrode onthe arc stability and spatter is pointed out.」
指出低氢型焊条的「弧桥并存」现象对电弧稳定性和飞溅的影响。
it is a new approach for the formula of covered electrode by introducing computer aid optimize design .