手工金属电弧 meaning in Chinese

manual metal-arc

Arc welding equipment - part 6 : limited duty manual metal arc welding power sources
电弧焊设备.第6部分:有限负载手工金属电弧焊电源
Welding consumables - covered electrodes for manual metal arc welding of stainless and heat resisting steels - classification ; german version en 1600 : 1997
焊料.不锈钢和耐热钢手工金属电弧焊药皮焊条.分类
Welding consumables - determination of moisture resistance of manual metal arc welding electrodes by measurement of diffusible hydrogen iso 14372 : 2000 ; german version en iso 14372 : 2002
焊料.通过测量可扩散氢测定手工金属电弧焊电极的抗湿