1. The comparison structure sample shall be free of defects such as too much material and too little material. The comparison appearance sample shall be free of defects such as three damages, deformation, faulty welding, missing welding, welding deviation, welding penetration, indentation, scratch, ground tape: deviation, missing sticking, sticking askew, sticking reversely, not fitting in place, etc., and the internal cavity comparison limit sample
正在翻译中..