equivalent per million

英 [equivalent per million]
美 [equivalent per million]

中文释义

万分之当量

单词分析

单词结构：

equivalent per million

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：equivalent per million
  • 核心含义：万分之当量

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更新时间：2026-03-18 08:44:43