1.
vacuum and inert atmosphere rolling
真空和保护气体中轧制
2.
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
3.
Preparation of dry air for protection of chlorine compressor
氯气透平机保护气用干燥空气的制备
4.
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
5.
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。
6.
gas (proof) curtain
气帘，气幕(保护)
7.
Weatherproof or explosion proof electric actuator.
电动执行机构的气候保护或防爆保护。
8.
inert gas tungsten arc welding
钨板惰性气体保护焊
9.
AC gas metal-arc welding process
交流熔化极气保护焊
10.
tungsten inert gas welding
钨极惰性气体保护焊
11.
metal-arc gas-shielded welding
气保护金属极电弧焊
12.
Let's take care of the air.
让我们好好保护空气吧。
13.
Air Division [Environmental Protection Department]
空气质素科〔环境保护署〕
14.
air-gap asymmetry protectio
气隙不对称保护装置
15.
shielded inert gas metal arc welding
惰性气保护金属弧焊法
16.
electric service
电气设备维护和保养
17.
TIG spot welding
钨极惰性气体保护点焊
18.
gas tungsten arc welding
钨电极惰性气体保护焊