ball non-return valve

英 [ball non-return valve]
美 [ball non-return valve]

中文释义

[化] 球形止回阀

单词分析

单词结构：

ball non-return valve

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：ball non-return valve
  • 核心含义：[化] 球形止回阀

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更新时间：2026-02-01 02:28:07