valve non-return

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

中文释义

止回阀

单词分析

单词结构：

valve non-return

字母数：16

记忆提示

🎯 重点记忆：

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

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更新时间：2025-12-09 11:40:24