welder

• Nbc series mag co2 arc welder
  Zx5系列可控硅整流弧焊机
• Code for welder qualification of civil nuclear pressure - resistant equipment
  民用核承压设备焊工资格考核规则
• Construction machinery and equipment . code for technical examinationof welder
  建筑机械与设备.焊工技术考试规程
• Qualification test of welders - fusion welding - aluminium and aluminium alloys
  焊工的认可试验.熔焊.铝和铝合金
• We also invited welders from other factories to guide us in our work
  我们还请了别的厂的焊工来指导我们的工作。
• The study of the control circuit of type zdh - 36 electric dreg pressure welder
  36型电渣压力焊机控制电路的研究
• Study on thyristor ac arc welder controlled by single - chip microcomputer
  基于单片机控制的晶闸管交流弧焊机的研究
• A new welder for aluminum sheet
  新型铝板焊接机
• Metal welder non - licensed
  金属焊接工(持有执照)
• Protective gloves for welders
  焊工用防护手套