automatic threshold closer

英 [automatic threshold closer]
美 [automatic threshold closer]

中文释义

= automatic door bottom

单词分析

单词结构：

automatic threshold closer

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：automatic threshold closer
  • 核心含义：= automatic door bottom

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更新时间：2026-01-23 17:51:46