B -B fraction

英 [B -B fraction]
美 [B -B fraction]

中文释义

【化工】丁烷—丁烯馏分

单词分析

单词结构：

B -B fraction

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：B -B fraction
  • 核心含义：【化工】丁烷—丁烯馏分

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更新时间：2026-02-27 09:13:46