氩

• The tig inverter welder based on soft - switching technology
  基于软开关技术的氩弧焊逆变焊机
• On the choice of the argon arc welding wire for low carbon steel
  低碳钢管道用氩弧焊丝选择
• Three welding modes ： dc pulsed tig , dc mma
  集直流氩弧焊，脉冲氩弧焊，直流手工焊于一体。
• 5 argon welding machines , 8 semi - automatic welding machines ,
  氩弧焊接机5台，半自动焊接机8台
• Space systems - fluid characteristics - argon
  航天系统.流体特性.氩
• The study on high - purity electrolytic manganese production process design
  浅议高纯氩气的生产
• Argon plasma coagulation or laser therapy for barrett ' s esophagus
  食管的氩离子凝固术或激光治疗
• Development of welding wire for argon rich mixed gas arc welding
  富氩混合气体保护焊用焊丝的研制
• Submitting terms and pretreatment of k - ar and ar - ar dating samples
  氩定年样品的送样要求及预处理
• Chinese journal of general surgery
  影像引导在氩氦刀治疗中的应用