In the video, the welding and installation of oil pipelines in mainland China were shot on the spot, and various welding of TIGAHWGMW was practical.
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Weldinglife.com education taught by welders for welders!
Weldinglife.com education taught by welders for welders!
In the video, the welding and installation of oil pipelines in mainland China were shot on the spot, and various welding of TIGAHWGMW was practical.