arch hinged at ends

英 [arch hinged at ends]
美 [arch hinged at ends]

中文释义

双铰拱

单词分析

单词结构：

arch hinged at ends

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：arch hinged at ends
  • 核心含义：双铰拱

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更新时间：2026-01-30 20:39:59