convex head valve

英 [convex head valve]
美 [convex head valve]

中文释义

凸形气门头

单词分析

单词结构：

convex head valve

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：convex head valve
  • 核心含义：凸形气门头

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更新时间：2026-02-02 20:17:31