英语词汇“ppm”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ppm
释义	ppm 汉语翻译【化】百万分率详细解释： ppm abbr.（略语） Parts per million. 百万分率，百万分之…
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英语词典包含435040条英汉在线翻译词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

ppm