built-up steel secti

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built-up steel section
英 [built-up steel section]
美 [built-up steel section]

中文释义

合型钢截面

单词分析

单词结构：

built-up steel section

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：built-up steel section
  • 核心含义：合型钢截面

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更新时间：2026-09-02 01:28:53