hollow core valve

英 [hollow core valve]
美 [hollow core valve]

中文释义

空心阀

单词分析

单词结构：

hollow core valve

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：hollow core valve
  • 核心含义：空心阀

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更新时间：2026-02-04 00:07:19