backing vacuum pump

英 [backing vacuum pump]
美 [backing vacuum pump]

中文释义

前级真空泵

单词分析

单词结构：

backing vacuum pump

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：backing vacuum pump
  • 核心含义：前级真空泵

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更新时间：2025-12-24 02:26:13