氢原子焊 [机] atomic hydrogen welding ; atomic H welding ; atomic welding

原子氢焊 [机] atomic hydrogen welding ; AHW ; AHWatomic hydrogen welding

电弧原子焊电极 arc atom welding electrode

原子氢焊机 atomic hydrogen welder ; atomic hydrogen welding apparatus

原子氢焊接 hydrogen atomic welding ; atomic-hydrogen welding

原子氢焊接机 atomic hydrogen welding apparatus

原子氢焊电极 atomic hydrogen welding electrode

原子氢焊接管 atomic hydrogen welded tube

氢原子电弧焊 atomic hydrogen arc weld

原子氢烧焊 atomic hydrogen welding