减压氩气气氛火花放电等离子体
reduced-pressure argon spark discharge plasma
氩气覆盖气氛
argon cover gas atmosphere
氩氧控制气氛
Ar-O2 controlled atmosphere
氨气和氮气气氛下热处理
annealing in ammonia and nitrogen
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