non return trap

英 [non return trap]
美 [non return trap]

中文释义

un. 止回汽水阀

单词分析

单词结构：

non return trap

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：non return trap
  • 核心含义：un. 止回汽水阀

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更新时间：2026-03-10 22:14:20