Weldy韦尔迪weldv.焊接；使结合n.焊接；焊缝welded casing焊接机壳welding wheel盘状电极welding gauge确定焊缝尺寸用样板welding angle焊接角welding parts[化] 焊接部件welded splice焊接接头welding spats护脚weld interval焊接时间welding spark焊接火花welding robol焊接机器人