dual ball check valve

英 [dual ball check valve]
美 [dual ball check valve]

中文释义

[化] 双球止逆阀

单词分析

单词结构：

dual ball check valve

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：dual ball check valve
  • 核心含义：[化] 双球止逆阀

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更新时间：2026-02-04 20:30:04