penetration number

英 [penetration number]
美 [penetration number]

中文释义

针入度

单词分析

单词结构：

penetration number

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：penetration number
  • 核心含义：针入度

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更新时间：2025-12-20 08:40:08