spot-welding /s'pɒtw'eldɪŋ/ 📖 中文释义 a. 点焊 🧩 词形变化 原形 spot-weld 📘 English Definition(英文释义) n creating an overlapping joint by welding at small pointsv make circular welds ← spot-welder S 字母词表 spot-welds →