
Layers weld joints, two steel plates are thicker
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active gas background butt weld construction current direct current electrode equipment factory fire gas heat heat energy hot industrial industry iron job labor layers light light energy mag process manufacture manufacturing mask metal polarization protection protective gas safety shielded gas skill steel structure technology voltage welded joint welder welder skills welding welding process wire work worker-
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- Details
- Published on Nov 08, 2022
- Photo type JPG
- Category Industrial