air-acetylene welding的意思|示意

空气 ... arcogen welding电弧氧乙炔焊 air-acetylene welding空气-乙炔焊接 aircomatic welding自动调弧氩弧焊, 惰性气体保护金属极弧焊 ...

空气乙炔焊 ... 氢氧焊 oxy-hydrogen welding 空气乙炔焊 air-acetylene welding 氧乙炔焊 oxy-acetylene flame ...

空气乙炔熔接 ... 理论空气量 air， theoretical 空气乙炔熔接 air-acetylene welding 气动运送机 air-acitvated conveyer ...

乙炔气焊 ... air-acetylene welding 乙炔气焊 alcohol yield yeast 酒精生产用酵母 annual yield 年收获量；年产量 ...