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welding manipulator
welding mask
welding metal cracking
welding metallurgy
welding motor generator
welding neck flange
welding nozzle
welding operation
welding operator
welding outfit
welding paste
welding performance
welding plant
welding pool
welding portion
welding position
welding positioner
welding positioner roller
welding powder
welding power lead
welding power source
welding press
welding procedure
welding process
welding rectifier
welding rectifier power source
welding regulator
welding residual stress
welding robot
welding rod
welding mask
welding metal cracking
welding metallurgy
welding motor generator
welding neck flange
welding nozzle
welding operation
welding operator
welding outfit
welding paste
welding performance
welding plant
welding pool
welding portion
welding position
welding positioner
welding positioner roller
welding powder
welding power lead
welding power source
welding press
welding procedure
welding process
welding rectifier
welding rectifier power source
welding regulator
welding residual stress
welding robot
welding rod
welding manipulator
焊件支架, 焊接机械手