X-ray protection approval

英 [X-ray protection approval]
美 [X-ray protection approval]

中文释义

-射线防护证明

单词分析

单词结构：

X-ray protection approval

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：X-ray protection approval
  • 核心含义：-射线防护证明

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更新时间：2026-02-04 10:46:52