precautions before welding

英 [precautions before welding]
美 [precautions before welding]

中文释义

焊接前的预防措施

单词分析

单词结构：

precautions before welding

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：precautions before welding
  • 核心含义：焊接前的预防措施

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更新时间：2026-01-06 16:59:23