1 ... narrow gap one side welding 窄间隙单面焊 narrow gap one-side automatic welding 窄间隙单面自动电弧焊 narrow gap welding 窄间隙焊接;狭间隙焊 ...
基于8个网页-相关网页
one side automatic welding 单面自动焊接
narrow gap one-side automatic welding 窄间隙单面自动电弧焊 ; 窄缝单面自动电孤焊
narrow gaone-side automatic welding 窄间隙单面自动电弧
double-side automatic tig erect welding 双面自动tig立焊
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