Tungsten Inert Gas Welding?翻译一下,什么意思啊?

tungsten-inert-gas是什么意思 Tungsten Inert Gas Welding?翻译一下,什么意思啊? Sheilded Metal Arc,Gas Tungsten Arc,Gas Metal Arc,Flux Cored Arc,Submerged Arc,焊接方面的英语, 为什叫GAS TUNGSTEN ARC?ARC是氩气,那么为什么把gas与arc分开?中间插入钨,钨又不是气体. using back purging with inert gas for all stainless steel material．怎么翻译?谢谢!很急的问题,拜托了．．． tungsten是什么意思? tungsten-halogen tungsten-halogen gas gas inert atmosphere是什么意思 tungsten concentrate是什么意思 tungsten ring是什么 tungsten carbide scrap TUNGSTEN carbide是什么材质 tungsten-carbide tipped 英语翻译A sensing torch for on-line monitoring ofthe gas tungsten arc welding process ofsteel pipesAbstractNon-intrusive and real-time monitoring techniques are increasingly requiredby manufacturing industry in order to detect flaws in arc 英语翻译Lasers are used as cutting tools due to high precision of operation and desirable end product quality.In laser cutting process,an assisting gas jet is used.In the case of inert gasassisted processing,assisting gas protects the surface fro