non-return finger

英 [non-return finger]
美 [non-return finger]

中文释义

单向安全装置

单词分析

单词结构：

non-return finger

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：non-return finger
  • 核心含义：单向安全装置

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更新时间：2026-01-30 13:20:07