safety radio certificate

英 [safety radio certificate]
美 [safety radio certificate]

中文释义

安全无线电证书

单词分析

单词结构：

safety radio certificate

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：safety radio certificate
  • 核心含义：安全无线电证书

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更新时间：2026-03-15 07:20:01