UL (Underwriter's Laboratory)

英 [UL (Underwriter's Laboratory)]
美 [UL (Underwriter's Laboratory)]

中文释义

险担保人试验研究室

单词分析

单词结构：

UL (Underwriter's Laboratory)

字母数：29

记忆提示

🎯 重点记忆：

  • 单词拼写：UL (Underwriter's Laboratory)
  • 核心含义：险担保人试验研究室

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更新时间：2026-02-11 18:41:06