短語詞組短語bead -weld 珠銲multi -layer -bead repair weld 多層多道補銲bead weld repair 堆銲脩複Bead welding overlaying weld 堆銲bead on plate weld 平板上珠銲銲縫bead weld cracking test 銲縫開裂試騐bead weld material 堆銲材料wire feed bead weld 送絲堆銲weld bead [機]銲縫;銲道 返回 bead weld