oil sealed vacuum pump

英 [oil sealed vacuum pump]
美 [oil sealed vacuum pump]

中文释义

油封真空泵

单词分析

单词结构：

oil sealed vacuum pump

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：oil sealed vacuum pump
  • 核心含义：油封真空泵

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更新时间：2026-03-17 20:08:08