焊点光亮度 JOINTS COLCR

激光点焊 laser spot welding ; spot welding by laser

点焊用激光器 spot welding laser machine

冷焊或焊点不光滑 COLD SOLDER OR DISTURBED SOLDERING

激光点焊机 laser spot welder

扫描式激光点焊机 Scanner Welding

激光点焊机氙灯 FLASHLAMP