first principal stress

英 [first principal stress]
美 [first principal stress]

中文释义

第一主应力

单词分析

单词结构：

first principal stress

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：first principal stress
  • 核心含义：第一主应力

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更新时间：2025-12-11 04:00:12