screw-down non-return valve

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

中文释义

un. 螺旋止回阀 [网络] 截止止回阀

单词分析

单词结构：

screw-down non-return valve

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：screw-down non-return valve
  • 核心含义：un. 螺旋止回阀 [网络] 截止止回阀

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更新时间：2026-01-08 23:31:03