gas-welding flux气焊焊剂
gas arc welding气体保电弧焊;惰性气体金属电弧焊;活性气体保护电弧焊;气体保嗫电弧焊
gas s welding flux气焊剂
gas fusion welding气熔焊
co3 gas arc welding二氧化碳气体电弧焊
gas pressure welding method加压气焊法
mixed gas shielded welding混合气体保护焊
co2 gas shielded welding二氧化碳气体保护焊
Gas pressure welding加压气焊;气焰压接;气压焊接
N（名词） a method of welding in which a combination of gases, usually oxyacetylene, is used to provide a hot flame 气焊