英语词汇PPM是什么意思，PPM的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	PPM
释义	PPM　 =Parts Per Million 百万分之几, 百万分率
随便看	bucharest Bucharest bucharest bucharest buchenwald Buchenwald buchenwald Bucherer (-Bergs)synthesis Bucherer reaction Bucherer-Curtius reaction buchite Buchla synthesizer Buchmanism buchmanism Buchmanite buchmanite Buchner buchner filter Buchner funnel Buchner's bodies Buchner's funnel Buchner's method Buchner's stain Buchner's theory Buchner's tneory

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