internal check valve

英 [internal check valve]
美 [internal check valve]

中文释义

[化] 内单向阀

单词分析

单词结构：

internal check valve

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：internal check valve
  • 核心含义：[化] 内单向阀

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更新时间：2025-12-22 05:26:43