seal oil backup pump

英 [seal oil backup pump]
美 [seal oil backup pump]

中文释义

油封后备泵

单词分析

单词结构：

seal oil backup pump

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：seal oil backup pump
  • 核心含义：油封后备泵

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更新时间：2026-02-05 02:51:42