英语词汇“p.p.m.”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	p.p.m.
释义	p.p.m. parts per million. Also, P.P.M., ppm, PPM.
随便看	nonreductive nonreference nonrefillable nonrefined nonrefinement nonreflected nonreflecting nonreflection nonreflective nonreflector nonreformation nonreformational nonrefracting nonrefraction nonrefractional nonrefractive nonrefrigerant nonrefrigerated nonrefueling nonrefuelling nonrefundability nonrefundable nonrefutal nonrefutation nonregenerate

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