reciprocating positive displacement vacuum pump

英 [reciprocating positive displacement vacuum pump]
美 [reciprocating positive displacement vacuum pump]

中文释义

往复正排量式真空泵

单词分析

单词结构：

reciprocating positive displacement vacuum pump

字母数：47

记忆提示

🎯 重点记忆：

  • 单词拼写：reciprocating positive displacement vacuum pump
  • 核心含义：往复正排量式真空泵

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更新时间：2026-02-11 19:37:41