primary valve

英 [primary valve]
美 [primary valve]

中文释义

主阀

单词分析

单词结构：

primary valve

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：primary valve
  • 核心含义：主阀

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更新时间：2026-02-09 01:23:45