air and vacuum valve

英 [air and vacuum valve]
美 [air and vacuum valve]

中文释义

气真空阀

单词分析

单词结构：

air and vacuum valve

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：air and vacuum valve
  • 核心含义：气真空阀

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更新时间：2026-04-15 00:20:21