double non-return valve

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

中文释义

双向止回阀

单词分析

单词结构：

double non-return valve

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：double non-return valve
  • 核心含义：双向止回阀

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更新时间：2025-12-09 22:27:21