plug weld的用法和樣例：
例句
- No spalled paint exists at the plug weld and for a short distance each side of the plug welds.
在塞焊焊縫處及塞焊周圍距離內無細漆碎屑存在。 - Close examination of the plug welds showed the existence of herringbone patterns near the slag and voids in welds.
對塞焊焊縫的詳細檢查表明在焊渣及氣孔附近，焊縫中存在著人字型裂紋。
