air-tight screw pump

英 [air-tight screw pump]
美 [air-tight screw pump]

中文释义

密闭式螺杆泵

单词分析

单词结构：

air-tight screw pump

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：air-tight screw pump
  • 核心含义：密闭式螺杆泵

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更新时间：2026-03-16 10:23:35