qualitative examination of ash

英 [qualitative examination of ash]
美 [qualitative examination of ash]

中文释义

(石油产品的)灰分定性测定

单词分析

单词结构：

qualitative examination of ash

字母数：30

记忆提示

🎯 重点记忆：

  • 单词拼写：qualitative examination of ash
  • 核心含义：(石油产品的)灰分定性测定

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更新时间：2026-02-03 08:43:53