gravity-held check valve

英 [gravity-held check valve]
美 [gravity-held check valve]

中文释义

重力式单向阀

单词分析

单词结构：

gravity-held check valve

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：gravity-held check valve
  • 核心含义：重力式单向阀

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更新时间：2026-02-04 16:59:51