equivalent parts per billion

英 [equivalent parts per billion]
美 [equivalent parts per billion]

中文释义

克当量／升

单词分析

单词结构：

equivalent parts per billion

字母数：28

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🎯 重点记忆：

  • 单词拼写：equivalent parts per billion
  • 核心含义：克当量／升

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更新时间：2026-03-16 03:54:11