spot-weld /s'pɒtw'eld/ 📖 中文释义 点焊 🧩 词形变化 现在分词 spot-welding过去式 spot-welded第三人称单数 spot-welds过去分词 spot-welded 📘 English Definition(英文释义) n each of the welds made by welding at a separate pointv make circular welds ← spot-up S 字母词表 spot-welded →