liquid-sealed vacuum pump

[liquid-sealed vacuum pump]
[liquid-sealed vacuum pump]

中文释义

液封真空泵

单词分析

单词结构:

liquid-sealed vacuum pump

字母数:25

记忆提示

🎯 重点记忆:

  • 单词拼写:liquid-sealed vacuum pump
  • 核心含义:液封真空泵