减压氩气气氛火花放电等离子体
reduced-pressure argon spark discharge plasma
半自动氩气弧焊机
semi-automatic argon arc welder
超声波－氩气搅拌
ultrasonic-argon gas churning up
富氩CO2气体保护焊
rich argon CO2 shielded arc welding
富氩气体保护焊
full-argon gas shielded arc welding
全封闭式氩气保护装置
complete enclose Ar protecting device
氩气
argon gas
argon
argon arc welding
AR
4-(1-naphthyl)-4-oxo-butanoic acid
氩气保护烧结
sintering in argon atmosphere
氩气保护预热处理
pre-treatment in argon atmosphere