flap check valve

英 [flap check valve]
美 [flap check valve]

中文释义

阀瓣式止回阀

单词分析

单词结构：

flap check valve

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：flap check valve
  • 核心含义：阀瓣式止回阀

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更新时间：2026-01-31 00:47:49