valve crown

英 [valve crown]
美 [valve crown]

中文释义

见valve head

单词分析

单词结构：

valve crown

字母数：11

记忆提示

🎯 重点记忆：

  • 单词拼写：valve crown
  • 核心含义：见valve head

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更新时间：2026-01-08 06:31:48