vacuum residue

英 [vacuum residue]
美 [vacuum residue]

中文释义

减压渣油

单词分析

单词结构：

vacuum residue

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：vacuum residue
  • 核心含义：减压渣油

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更新时间：2026-02-02 14:22:31