1.
vacuum and inert atmosphere rolling
真空和保护气体中轧制
2.
Argument on mixture of hydrogen and nitrogen to replace hydrogen as prote ctive gas;
用氢氮混合气替代氢气保护气体的论证
3.
Protective gas system: pipe line from the protective gas generation station to reducing annealing furnace.
保护气系统:从保护气体发生站至还原退火炉的管道。
4.
welding plates with carbon dioxide
用二氧化碳保护气体焊接钢板
5.
inert gas tungsten arc welding
钨板惰性气体保护焊
6.
tungsten inert gas welding
钨极惰性气体保护焊
7.
TIG spot welding
钨极惰性气体保护点焊
8.
gas tungsten arc welding
钨电极惰性气体保护焊
9.
CO2 gas shield welding
二氧化碳气体保护焊
10.
mixed gas arc welding
混合气体保护电弧焊
11.
inert-gas shielded arc welding
惰性气体保护电弧焊法
12.
GCAW (Gas Carbon-Arc Welding )
气体保护碳极电弧焊
13.
Fluid state analysis of shielding gas and measures for increasing its efficiency
保护气流态分析及提高气体保护效果的措施
14.
gas (proof) curtain
气帘，气幕(保护)
15.
TIG: Tungsten-arc Inert-Gas welding
钨极电弧惰性气体保护焊
16.
metal inert gas arc welding
金属极惰性气体保护点焊
17.
shield inert gas metal orc welding
惰性气体保护金属极弧焊
18.
aircospot welding
氩电极惰性气体保护接地点焊