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ceiling sound transmission class

英 [ceiling sound transmission class]
美 [ceiling sound transmission class]

中文释义

吊顶传声等级

单词分析

单词结构:

ceiling sound transmission class

字母数:32

记忆提示

🎯 重点记忆:

  • 单词拼写:ceiling sound transmission class
  • 核心含义:吊顶传声等级

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更新时间:2026-02-03 19:29:38

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