Once we have mastered the characteristic of new welding gas and its welding technique, we can use it to weld the low-medium carbon steel and low-alloy structural steel in replace of acetylene.

• 只要掌握新型焊割气的特性和焊接操作工艺,可代替乙炔对低中碳钢、低合金结构钢进行焊接。