prestressed hollow beam

英 [prestressed hollow beam]
美 [prestressed hollow beam]

中文释义

预应力空心梁

单词分析

单词结构：

prestressed hollow beam

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：prestressed hollow beam
  • 核心含义：预应力空心梁

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更新时间：2026-02-06 00:28:27