| 摘要 |
The apparatus is for preventing deformation due to residual stress. The apparatus includes a moving plate (12) moving up and down by a cylinder (11), a laser generator (10) fixed at the moving plate (12), a mirror (13) for reflecting a laser beam to a negative electrode structure on a workbench (14), a transport means (15) for moving a workbench, and a supervisor (19) for supervising the welding work.
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