shielded metal-arc welding
shielded metal-arc welding 掩护电孤焊接 ; 气保护金属极电弧焊 ; 屏蔽金属弧焊 ; shielded methas-arc welding 扞卫金属弧焊 Flux Shielded Metal-Arc Welding 涂料屏蔽金属电弧熔接 ..
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... shielded inert gas metal arc welding 惰性气保护金属弧焊法 shielded metal-arc welding 屏蔽金属弧焊 shielded probe 屏蔽探测器 ...
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