ガス溶よう接せつガスようせつMeanings1noungas weldingA welding process that uses a gas flame, typically oxy-fuel, to melt and join metals.ガス溶よう接せつは鉄てっ骨こつの接せつ合ごうによく使つかわれる。Gas welding is often used for joining steel frames.ガス溶よう接せつの資し格かくを取とるために講こう習しゅうを