protective valves

英 [protective valves]
美 [protective valves]

中文释义

全阀

单词分析

单词结构：

protective valves

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：protective valves
  • 核心含义：全阀

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更新时间：2026-01-28 12:23:02