The welding seams of the equipment's welding parts should be uniform, smooth and neat, and the welding should be firm. The welding overlap and slag should be removed thoroughly, and there should be no defects such as burning through, cracks, arc pits, exposed welding, false welding, slag inclusion, undercut, etc. The surface of the logging truck after painting should be bright, flat, with uniform and consistent color, firmly bonded, and free from sagging, wrinkling, and missed coating.
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