短語詞組短語gas -welding flux 氣焊焊劑gas arc welding 氣體?，る娀『?惰性氣體金屬電弧焊;活性氣體保護(hù)電弧焊;氣體保囁電弧焊gas s welding flux 氣焊劑gas fusion welding 氣熔焊co3 gas arc welding 二氧化碳?xì)怏w電弧焊gas pressure welding method 加壓氣焊法mixed gas shielded welding 混合氣體保護(hù)焊co2 gas shielded welding 二氧化碳?xì)怏w保護(hù)焊Gas pressure welding 加壓氣焊;氣焰壓接;氣壓焊接 返回 gas welding